{"id":67942,"date":"2026-10-23T05:58:26","date_gmt":"2026-10-23T00:28:26","guid":{"rendered":"https:\/\/johnsonfrancis.org\/professional\/?p=67942"},"modified":"2026-10-23T16:36:18","modified_gmt":"2026-10-23T11:06:18","slug":"new-series-of-interactive-cardiology-mcqs-7","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/new-series-of-interactive-cardiology-mcqs-7\/","title":{"rendered":"New Series of Interactive Cardiology MCQs 7"},"content":{"rendered":"\n<!-- Cardiology MCQs Part 7 (Full 25 Questions) - WordPress Safe Custom HTML Block -->\n<script src=\"https:\/\/cdn.tailwindcss.com?plugins=forms,typography,aspect-ratio\"><\/script>\n<script>\n  tailwind.config = {\n    corePlugins: {\n      preflight: false,\n    }\n  }\n<\/script>\n\n<div id=\"mcq7-quiz-wrapper\" class=\"font-sans bg-slate-950 text-slate-100 p-4 md:p-8 rounded-3xl max-w-4xl mx-auto shadow-2xl relative overflow-hidden my-8 border border-solid border-purple-500\/20\" style=\"box-sizing: border-box;\">\n  \n  <!-- Background Accents -->\n  <div class=\"absolute top-0 left-0 w-full h-full pointer-events-none opacity-10 bg-[radial-gradient(ellipse_at_center,_var(--tw-gradient-stops))] from-blue-500 via-indigo-900 to-slate-950\"><\/div>\n  \n  <!-- Header Banner -->\n  <div class=\"relative text-center pb-6 border-b border-solid border-purple-500\/25 mb-8\">\n    <div class=\"inline-block bg-gradient-to-r from-red-600 via-pink-600 to-purple-600 text-white font-black text-xs md:text-sm px-4 py-1.5 rounded-full uppercase tracking-wider shadow-lg mb-3 animate-pulse\">\n      \u2764\ufe0f Advanced Cardiology Series &#8211; Part 7\n    <\/div>\n    <h1 class=\"text-3xl md:text-5xl font-extrabold tracking-tight text-transparent bg-clip-text bg-gradient-to-r from-cyan-300 via-blue-400 to-indigo-400 m-0\">\n      Interactive Cardiology MCQs #7\n    <\/h1>\n    <p class=\"text-sm md:text-lg text-slate-300 mt-2 max-w-2xl mx-auto font-medium\">\n      Post-Graduate Level Clinical &amp; Hemodynamic Masterclass\n    <\/p>\n  <\/div>\n\n  <!-- Real-Time Floating Scoreboard -->\n  <div class=\"sticky top-4 z-40 bg-slate-900\/90 backdrop-blur-md border-2 border-solid border-blue-500\/40 rounded-2xl p-4 mb-8 shadow-xl flex flex-wrap items-center justify-between gap-4\">\n    <div class=\"flex items-center gap-3\">\n      <div class=\"text-3xl\">\ud83c\udfc6<\/div>\n      <div>\n        <div class=\"text-[10px] uppercase font-extrabold tracking-widest text-blue-300\">Live Scoreboard<\/div>\n        <div class=\"text-lg md:text-2xl font-black text-cyan-300 flex items-center gap-1\">\n          <span id=\"mcq7-correct-count\">0<\/span><span class=\"text-slate-500 text-sm md:text-lg\">\/ 25 Correct<\/span>\n        <\/div>\n      <\/div>\n    <\/div>\n    <div class=\"flex items-center gap-2 bg-slate-950\/80 px-4 py-2 rounded-xl border border-solid border-slate-800\">\n      <span class=\"text-xs font-bold text-slate-400 uppercase tracking-wider\">Progress:<\/span>\n      <div class=\"w-24 md:w-36 bg-slate-800 h-3 rounded-full overflow-hidden\">\n        <div id=\"mcq7-progress-bar\" class=\"bg-gradient-to-r from-blue-500 to-cyan-400 h-full w-0 transition-all duration-300 rounded-full\"><\/div>\n      <\/div>\n      <span class=\"text-xs font-bold text-cyan-300\"><span id=\"mcq7-answered-count\">0<\/span>\/25<\/span>\n    <\/div>\n  <\/div>\n\n  <!-- Quiz Questions Container -->\n  <div class=\"space-y-8 relative\">\n\n    <!-- Q1 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q1<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          A 58-year-old man with ischemic cardiomyopathy presents with decompensated heart failure. Invasive hemodynamics reveal a cardiac index of 1.7 L\/min\/m\u00b2, PCWP of 24 mmHg, and systemic vascular resistance (SVR) of 1800 dynes\u00b7sec\u00b7cm<sup>-5\n      <\/sup><\/h3><\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Phenylephrine is a pure alpha-1 agonist that dramatically increases SVR, which would further worsen forward stroke volume in cardiogenic shock.\">A. Phenylephrine infusion<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"Milrinone is a phosphodiesterase-3 inhibitor providing both inotropic support and significant vasodilation, ideal for patients with low cardiac index and elevated filling pressures and SVR.\">B. Milrinone infusion<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"High-dose beta-blockers are contraindicated in acute decompensated heart failure with hypoperfusion until stability is restored.\">C. Metoprolol tartrate bolus<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Digoxin has a very slow onset of action and is inadequate for acute rapid hemodynamic stabilization in severe cardiogenic failure.\">D. Digoxin intravenous loading<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q2 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q2<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          Which of the following ECG criteria is most specific for diagnosing left ventricular hypertrophy (LVH) with strain pattern?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Sokolow-Lyon voltage criteria (SV1 + RV5\/V6 &gt; 35 mm) has high specificity but low sensitivity.\">A. Sokolow-Lyon voltage index only<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"PR interval prolongation is not a standard diagnostic criterion for LVH.\">B. PR interval greater than 200 ms<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"Cornell voltage criteria combined with asymmetric ST-segment depression and asymmetric T-wave inversion in lateral leads (V5-V6, I, aVL) represents the classic strain pattern.\">C. Cornell voltage criteria combined with lateral ST-T wave strain<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Right axis deviation is associated with RVH, not LVH.\">D. Right axis deviation exceeding +110 degrees<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q3 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q3<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          According to current guidelines, what is the primary indication for primary prophylactic ICD implantation in non-ischemic dilated cardiomyopathy?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"EF alone above 40% does not meet primary prevention guidelines.\">A. LVEF &lt;= 40% regardless of symptoms<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"LVEF &lt;= 35% despite &gt;= 3 months of optimal medical therapy with NYHA Class II-III symptoms is the classic indication.\">B. LVEF &lt;= 35% with NYHA Class II-III symptoms on guideline-directed medical therapy for &gt;= 3 months<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"NYHA Class IV refractory symptoms on inotropes are typically managed with palliative care or LVAD\/transplant evaluation rather than standard primary ICD.\">C. NYHA Class IV symptoms refractory to all medical management<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Asymptomatic patients without severe dysfunction do not qualify for primary prophylaxis.\">D. Asymptomatic patient with family history of sudden cardiac death<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q4 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q4<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          In patients with severe aortic stenosis undergoing echocardiographic evaluation, what parameter defines high-gradient severe aortic stenosis?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Aortic valve area &lt; 1.0 cm\u00b2 defines severe AS, but gradient criteria require higher thresholds.\">A. Mean gradient &lt; 30 mmHg with AVA &lt; 1.0 cm\u00b2<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"Severe high-gradient aortic stenosis is defined by AVA &lt;= 1.0 cm\u00b2, mean gradient &gt;= 40 mmHg, and peak velocity &gt;= 4.0 m\/s.\">B. Mean gradient &gt;= 40 mmHg, peak velocity &gt;= 4.0 m\/s, and AVA &lt;= 1.0 cm\u00b2<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Lower gradients with normal ejection fraction represent moderate AS.\">C. Mean gradient 20-39 mmHg with normal ejection fraction<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"AVA &gt; 1.5 cm\u00b2 is mild aortic stenosis.\">D. AVA &gt; 1.5 cm\u00b2 with peak gradient &gt; 50 mmHg<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q5 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q5<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          Which cardiac biomarker exhibits the highest sensitivity and specificity for detecting acute myocardial injury within the first 3 hours of symptom onset?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Total CK has poor cardiac specificity and rises later.\">A. Total Creatine Kinase (CK)<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Myoglobin rises early (1-2 hours) but lacks cardiac specificity due to skeletal muscle presence.\">B. Myoglobin<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"High-sensitivity cardiac troponin (hs-cTn) assays provide both high sensitivity and specificity, allowing rapid rule-in and rule-out algorithms within 1 to 3 hours.\">C. High-Sensitivity Cardiac Troponin (hs-cTn)<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"BNP is a marker of myocardial stretch and volume overload, not primary ischemic necrosis.\">D. B-type Natriuretic Peptide (BNP)<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q6 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q6<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          In patients presenting with acute ST-elevation myocardial infarction (STEMI), what is the maximum recommended door-to-balloon time for primary PCI when performed at a PCI-capable center?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"30 minutes is the target for fibrinolysis initiation, not PCI.\">A. Within 30 minutes<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"Guidelines mandate a door-to-balloon time of less than 90 minutes at PCI-capable centers to optimize myocardial salvage.\">B. Within 90 minutes<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"120 minutes is the threshold when transferring from a non-PCI capable hospital to a PCI center.\">C. Within 120 minutes<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"180 minutes significantly increases myocardial necrosis and adverse outcomes.\">D. Within 180 minutes<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q7 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q7<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          Which pharmacological class is established as first-line therapy for rate control in permanent atrial fibrillation with concomitant decompensated heart failure and reduced ejection fraction?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Non-dihydropyridine calcium channel blockers like verapamil and diltiazem have negative inotropic effects and can precipitate acute decompensation in HFrEF.\">A. Non-dihydropyridine calcium channel blockers<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"Digoxin or intravenous amiodarone are preferred for acute rate control in decompensated HFrEF when beta-blockers cannot be safely uptitrated due to hemodynamic instability.\">B. Digoxin or intravenous amiodarone<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"High-dose oral class IC antiarrhythmics are contraindicated in structural heart disease and reduced ejection fraction.\">C. Flecainide oral loading<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Dronedarone is contraindicated in permanent atrial fibrillation and heart failure due to increased mortality.\">D. Dronedarone maintenance therapy<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q8 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q8<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          What is the hallmark hemodynamic finding on cardiac catheterization in a patient with constrictive pericarditis compared to restrictive cardiomyopathy?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Equalization of diastolic pressures occurs in both, but LVEDP exceeding RVEDP by &gt; 5 mmHg points toward restrictive cardiomyopathy.\">A. LVEDP significantly lower than RVEDP<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"In constrictive pericarditis, ventricular interdependence is prominent, resulting in reciprocal changes in RV and LV systolic pressures during inspiration and expiration (square root sign \/ dip-plateau).\">B. Prominent ventricular interdependence with reciprocal changes in RV\/LV systolic areas during respiration<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"A steep y descent in RA pressure occurs in both entities.\">C. Complete absence of a y descent in right atrial pressure<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Pulmonary capillary wedge pressure is elevated in both conditions.\">D. Normal pulmonary capillary wedge pressure<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q9 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q9<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          Which genetic mutation is most commonly associated with familial hypertrophic cardiomyopathy (HCM)?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Lamin A\/C mutations are associated with dilated cardiomyopathy and conduction system disease.\">A. Lamin A\/C gene (LMNA)<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"Mutations encoding sarcomeric proteins\u2014specifically beta-myosin heavy chain (MYH7) and myosin-binding protein C (MYBPC3)\u2014account for the vast majority of familial HCM cases.\">B. Sarcomeric proteins: beta-myosin heavy chain (MYH7) and myosin-binding protein C (MYBPC3)<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"SCN5A mutations are linked to Brugada syndrome and long QT type 3.\">C. SCN5A sodium channel gene<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Transthyretin (TTR) gene mutations cause hereditary cardiac amyloidosis, not primary genetic HCM.\">D. Transthyretin gene (TTR)<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q10 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q10<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          What is the primary mechanism of action of sacubitril when combined with valsartan in heart failure with reduced ejection fraction (HFrEF)?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Valsartan provides the ARB component; sacubitril does not block angiotensin receptors.\">A. Direct blockade of mineralocorticoid receptors<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"Sacubitril is a neprilysin inhibitor, which prevents the degradation of endogenous vasoactive peptides (natriuretic peptides), promoting vasodilation, natriuresis, and reduced cardiac fibrosis.\">B. Inhibition of neprilysin, leading to increased levels of endogenous natriuretic peptides<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Direct pacemaker funny-channel inhibition is the mechanism of ivabradine.\">C. Inhibition of sinoatrial node If channels<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"SGLT2 inhibition in the renal proximal tubule is the mechanism of empagliflozin\/dapagliflozin.\">D. Inhibition of sodium-glucose cotransporter 2 in the proximal tubule<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q11 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q11<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          In a patient with severe symptomatic mitral regurgitation due to posterior leaflet prolapse (Carpentier Type II) and prohibitive surgical risk, what is the preferred transcatheter intervention?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"Transcatheter edge-to-edge repair (TEER) mimicking the Alfieri surgical stitch (e.g., MitraClip) grasping A2-P2 is well-established for degenerative MR.\">A. Transcatheter edge-to-edge repair (TEER)<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Transcatheter aortic valve replacement is used for aortic stenosis, not mitral regurgitation.\">B. Transcatheter aortic valve replacement (TAVR)<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Percutaneous balloon mitral valvuloplasty is reserved for severe rheumatic mitral stenosis, not regurgitation.\">C. Balloon mitral valvuloplasty<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Alcohol septal ablation is used for hypertrophic obstructive cardiomyopathy.\">D. Alcohol septal ablation<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q12 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q12<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          Which pharmacological agent is indicated for risk reduction of cardiovascular death and heart failure hospitalization in patients with symptomatic heart failure across the full spectrum of ejection fraction (including HFpEF)?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Traditional ACE inhibitors do not show mortality benefit in HFpEF trials.\">A. Enalapril<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"SGLT2 inhibitors (Empagliflozin and Dapagliflozin) demonstrated robust reductions in CV death and HF hospitalizations in trials like EMPEROR-Preserved and DELIVER regardless of ejection fraction.\">B. SGLT2 inhibitors (Empagliflozin \/ Dapagliflozin)<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Ivabradine is restricted to HFrEF with sinus rhythm &gt;= 70 bpm.\">C. Ivabradine<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"First-generation dihydropyridine CCBs lack proven mortality benefit in heart failure.\">D. Nifedipine extended release<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q13 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q13<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          A 45-year-old competitive athlete experiences syncope during exertion. ECG shows deep T-wave inversions in the precordial leads and epsilon waves. Which diagnosis is most likely?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Brugada syndrome presents with coved ST elevation in V1-V3, not epsilon waves.\">A. Brugada Syndrome<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"Epsilon waves (terminal notch in the QRS complex) and right precordial T-wave inversions are classic ECG hallmarks of Arrhythmogenic Right Ventricular Cardiomyopathy (ARVC).\">B. Arrhythmogenic Right Ventricular Cardiomyopathy (ARVC)<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"LQTS manifests with prolonged QTc intervals and torsades de pointes.\">C. Long QT Syndrome Type 1<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"CPVT typically presents with catecholamine-induced bidirectional or polymorphic VT without resting epsilon waves.\">D. Catecholaminergic Polymorphic Ventricular Tachycardia<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q14 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q14<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          What is the primary hemodynamic consequence of an acute severe aortic regurgitation (e.g., secondary to infective endocarditis with leaflet perforation)?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"Acute severe AR causes sudden massive regurgitant volume into a non-compliant LV, leading to rapid steep rise in LVEDP, premature mitral valve closure, and acute pulmonary edema\/cardiogenic shock.\">A. Rapid elevation of LV diastolic pressure, premature mitral closure, and acute pulmonary edema<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Eccentric hypertrophy requires chronic volume overload over months to years to develop.\">B. Delayed massive eccentric left ventricular hypertrophy<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Systemic vascular resistance increases reflexively, it does not drop to zero.\">C. Profound systemic vasodilation with zero peripheral resistance<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Right ventricular pressure overload is not the primary immediate feature.\">D. Isolated right ventricular systolic hypertension<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q15 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q15<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          Which antiplatelet agent is a direct, reversible, non-thienopyridine P2Y12 platelet receptor antagonist?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Clopidogrel is an irreversible thienopyridine P2Y12 inhibitor.\">A. Clopidogrel<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Prasugrel is an irreversible thienopyridine prodrug.\">B. Prasugrel<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"Ticagrelor is a cyclopentyltriazolopyrimidine (non-thienopyridine) that reversibly binds to the P2Y12 receptor.\">C. Ticagrelor<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Cangrelor is intravenous, but is a direct ATP analogue derivative; ticagrelor is the standard oral direct reversible agent.\">D. Cangrelor intravenous bolus<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q16 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q16<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          In adult congenital heart disease, what is the most common type of atrial septal defect (ASD)?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Primum ASDs account for ~15% and are located low in the septum, frequently associated with cleft mitral valve.\">A. Ostium primum ASD<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"Ostium secundum ASDs represent 75-80% of all atrial septal defects, occurring at the site of the fossa ovalis.\">B. Ostium secundum ASD<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Sinus venosus defects account for ~10% and are located near the SVC or IVC junctions.\">C. Sinus venosus defect<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Coronary sinus defects are extremely rare (&lt;1%).\">D. Coronary sinus defect<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q17 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q17<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          Which imaging modality is considered the gold standard for non-invasive tissue characterization, quantification of myocardial fibrosis (via late gadolinium enhancement), and accurate assessment of right and left ventricular volumes\/ejection fraction?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Transthoracic echocardiography is first-line but limited by acoustic windows and tissue characterization compared to CMR.\">A. Transthoracic Echocardiography<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Coronary computed tomography angiography (CCTA) excels at luminal coronary anatomy but lacks superior soft tissue myocardial characterization.\">B. Coronary CT Angiography<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"Cardiovascular Magnetic Resonance (CMR) imaging is the undisputed gold standard for tissue characterization, scar imaging (LGE), and volumetric assessment.\">C. Cardiovascular Magnetic Resonance (CMR)<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"PET scanning evaluates myocardial perfusion and viability\/metabolism, but not structural tissue morphology.\">D. Positron Emission Tomography (PET)<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q18 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q18<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          What is the primary pathophysiological trigger for type 2 myocardial infarction (T2MI)?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Acute plaque rupture with occlusive coronary thrombosis defines Type 1 myocardial infarction.\">A. Acute plaque rupture with occlusive coronary thrombosis<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"Type 2 MI results from an imbalance between myocardial oxygen supply and demand unrelated to acute coronary thrombosis (e.g., severe anemia, tachyarrhythmia, hypotension, or coronary vasospasm).\">B. Myocardial oxygen supply and demand mismatch due to conditions other than coronary thrombosis<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Stent thrombosis related to percutaneous coronary intervention defines Type 4a MI.\">C. In-stent thrombosis following elective percutaneous coronary intervention<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"CABG-related perioperative myocardial infarction defines Type 5 MI.\">D. Surgical graft occlusion following coronary artery bypass surgery<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q19 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q19<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          Which medication is classified as a cardiac myosin inhibitor and has proven effective in reducing left ventricular outflow tract (LVOT) gradients and improving symptoms in symptomatic obstructive hypertrophic cardiomyopathy?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Ranolazine is an anti-anginal agent with late sodium current inhibition.\">A. Ranolazine<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"Mavacamten is a first-in-class selective allosteric inhibitor of cardiac myosin ATPase that reduces actin-myosin cross-bridge formation, relieving hypercontractility and LVOT obstruction in HCM.\">B. Mavacamten<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Vericiguat is a soluble guanylate cyclase stimulator for worsening HFrEF.\">C. Vericiguat<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Verapamil is a traditional non-dihydropyridine CCB used historically in HCM when beta-blockers are inadequate.\">D. Verapamil sustained-release<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q20 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q20<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          According to the Duke Criteria, which of the following represents a major diagnostic criterion for infective endocarditis?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Fever &gt; 38.0 C is a minor criterion.\">A. Fever exceeding 38.0 degrees Celsius<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Vascular phenomena such as Janeway lesions or septic pulmonary infarcts are minor criteria.\">B. Presence of Janeway lesions and splinter hemorrhages<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"Major Duke criteria include positive blood cultures from typical microorganisms on separate blood cultures and evidence of endocardial involvement (positive echocardiogram showing vegetation, abscess, or new partial dehiscence of a prosthetic valve).\">C. Positive echocardiogram showing oscillating intracardiac mass (vegetation) or new valvular regurgitation<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Predisposing heart condition or IV drug use represents a minor criterion.\">D. History of intravenous drug abuse and predisposing cardiac lesion<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\nQ21 Deleted\n    \n    <!-- Q22 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q22<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          What is the primary mechanism of action of PCSK9 (proprotein convertase subtilisin\/kexin type 9) inhibitors like evolocumab?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Inhibition of hepatic cholesterol synthesis is the mechanism of statins (HMG-CoA reductase inhibitors).\">A. Inhibition of HMG-CoA reductase in the liver<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Reduction of intestinal cholesterol absorption is the mechanism of ezetimibe (NPC1L1 inhibitor).\">B. Inhibition of intestinal cholesterol transporter NPC1L1<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"PCSK9 normally binds to LDL receptors and promotes their lysosomal degradation. Monoclonal antibodies against PCSK9 prevent this binding, increasing hepatic LDL receptor recycling and clearing circulating LDL-C.\">C. Binding to circulating PCSK9 protein to prevent LDL-receptor degradation, thereby increasing hepatic clearance of LDL-C<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Direct binding and neutralization of apolipoprotein B-100 is the mechanism of mipomersen.\">D. Upregulation of peripheral capillary lipoprotein lipase activity<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q23 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q23<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          Which physical examination finding is classically associated with cardiac tamponade (Beck&#8217;s Triad)?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"Beck's triad for cardiac tamponade consists of hypotension, muffled heart sounds, and elevated jugular venous pressure (JVP).\">A. Hypotension, muffled heart sounds, and elevated jugular venous pressure<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Wide pulse pressure with water-hammer pulse is characteristic of severe chronic aortic regurgitation (Corrigan's pulse).\">B. Wide pulse pressure with bounding peripheral pulses<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Opening snap with a diastolic rumble is characteristic of rheumatic mitral stenosis.\">C. High-pitched opening snap followed by a mid-diastolic rumble<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Fixed and split second heart sound is the classic hallmark of an atrial septal defect.\">D. Wide and fixed splitting of the second heart sound<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q24 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q24<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          In patients with severe symptomatic aortic stenosis and high surgical risk who undergo TAVR, what is the most common major vascular complication associated with transfemoral delivery systems?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Coronary ostial obstruction is a rare (&lt;1%) but catastrophic complication, not the most common vascular access complication.\">A. Coronary ostial occlusion<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"Vascular access complications such as iliofemoral dissection, perforation, or major bleeding at the arteriotomy site represent the most frequent access-related adverse events during large-bore transfemoral TAVR.\">B. Access-site iliofemoral arterial injury, dissection, or major bleeding<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"LV free wall rupture is virtually non-existent with TAVR compared to surgical intervention or balloon valvuloplasty.\">C. Left ventricular free wall rupture<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Acute mitral valve leaflet laceration is an exceedingly rare structural mishap.\">D. Acute anterior mitral leaflet laceration<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n    <!-- Q25 -->\n    <div class=\"quiz-card bg-slate-900\/60 border border-solid border-slate-800 rounded-2xl p-5 md:p-6 shadow-lg transition-all duration-300\" data-answered=\"false\">\n      <div class=\"flex items-start gap-3 mb-4\">\n        <span class=\"bg-blue-950 text-cyan-300 font-extrabold px-3 py-1.5 rounded-lg text-sm border border-solid border-blue-500\/30\">Q25<\/span>\n        <h3 class=\"text-lg md:text-xl font-bold text-slate-100 m-0 leading-snug\">\n          Which advanced heart failure therapy utilizes a continuous-flow rotary pump mechanism to unload the left ventricle and propel blood into the ascending aorta, and what is the primary postoperative pharmacological management requirement regarding blood pressure?\n        <\/h3>\n      <\/div>\n      <div class=\"grid grid-cols-1 md:grid-cols-2 gap-3 mb-4\">\n        <button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Pulsatile LVADs are obsolete; modern devices use continuous flow, and systemic hypertension must be aggressively avoided, not permitted.\">A. Pulsatile LVAD requiring permissive systemic hypertension (&gt;150 mmHg systolic)<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"true\" data-explanation=\"Continuous-flow LVADs (e.g., HeartMate 3) require strict mean arterial pressure (MAP) control (&lt; 80-85 mmHg) via afterload reduction to prevent pump thrombosis, stroke, and aortic insufficiency.\">B. Continuous-flow LVAD (e.g., centrifugal pump) requiring strict MAP control (&lt; 85 mmHg) to minimize afterload and pump thrombosis risk<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Total artificial hearts replace both ventricles, not just the left ventricle.\">C. Total artificial heart requiring bilateral atrial pressure clamping<\/button><button type=\"button\" class=\"opt-btn text-left p-4 rounded-xl border-2 border-solid border-slate-800 bg-slate-950 hover:bg-slate-900 transition-all text-sm md:text-base font-semibold text-slate-300 cursor-pointer\" data-correct=\"false\" data-explanation=\"Intra-aortic balloon pumps are temporary counterpulsation devices, not permanent continuous rotary pumps.\">D. Intra-aortic balloon pump requiring synchronized diastolic deflation<\/button>\n      <\/div>\n      <div class=\"feedback-box hidden p-4 rounded-xl text-sm md:text-base leading-relaxed\"><\/div>\n    <\/div>\n\n  <\/div>\n<\/div>\n\n<script>\n  let mcq7Correct = 0;\n  let mcq7Answered = 0;\n  const mcq7Total = 25;\n\n  document.querySelectorAll('#mcq7-quiz-wrapper .quiz-card').forEach(card => {\n    const buttons = card.querySelectorAll('.opt-btn');\n    buttons.forEach(btn => {\n      btn.addEventListener('click', function() {\n        if (card.getAttribute('data-answered') === 'true') return;\n        card.setAttribute('data-answered', 'true');\n        mcq7Answered++;\n\n        document.getElementById('mcq7-answered-count').innerText = mcq7Answered;\n        const pct = (mcq7Answered \/ mcq7Total) * 100;\n        document.getElementById('mcq7-progress-bar').style.width = pct + '%';\n\n        buttons.forEach(b => {\n          b.disabled = true;\n          b.classList.remove('hover:bg-slate-900', 'cursor-pointer');\n          b.classList.add('opacity-50', 'cursor-not-allowed');\n        });\n\n        const isCorrect = this.getAttribute('data-correct') === 'true';\n        const explanation = this.getAttribute('data-explanation');\n\n        if (isCorrect) {\n          mcq7Correct++;\n          document.getElementById('mcq7-correct-count').innerText = mcq7Correct;\n          this.classList.remove('opacity-50', 'border-slate-800', 'bg-slate-950');\n          this.classList.add('bg-emerald-950\/80', 'border-emerald-500', 'text-emerald-200', 'opacity-100', 'border-2');\n          this.innerHTML += ' <span class=\"font-bold\">&#10004; CORRECT!<\/span>';\n        } else {\n          this.classList.remove('opacity-50', 'border-slate-800', 'bg-slate-950');\n          this.classList.add('bg-rose-950\/80', 'border-rose-500', 'text-rose-200', 'opacity-100', 'border-2');\n          this.innerHTML += ' <span class=\"font-bold\">&#10006; INCORRECT<\/span>';\n\n          buttons.forEach(b => {\n            if (b.getAttribute('data-correct') === 'true') {\n              b.classList.remove('opacity-50', 'border-slate-800', 'bg-slate-950');\n              b.classList.add('bg-emerald-950\/40', 'border-emerald-500\/55', 'text-emerald-200', 'opacity-100', 'border-2');\n              b.innerHTML += ' <span class=\"font-bold\">&#10004; (Correct)<\/span>';\n            }\n          });\n        }\n\n        const feedback = card.querySelector('.feedback-box');\n        feedback.innerHTML = `\n          <div class=\"font-extrabold uppercase tracking-widest text-xs mb-2 ${isCorrect ? 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Invasive hemodynamics reveal a cardiac index of 1.7 L\/min\/m\u00b2, PCWP of 24 mmHg, and systemic vascular resistance (SVR) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":67947,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","nfd_image_url":"","nfd_onboarding_generated":"","footnotes":""},"categories":[9],"tags":[],"class_list":["post-67942","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>New Series of Interactive Cardiology MCQs 7 - All About Cardiovascular System and Disorders<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/johnsonfrancis.org\/professional\/new-series-of-interactive-cardiology-mcqs-7\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"New Series of Interactive Cardiology MCQs 7 - All About Cardiovascular System and Disorders\" \/>\n<meta property=\"og:description\" content=\"\u2764\ufe0f Advanced Cardiology Series &#8211; Part 7 Interactive Cardiology MCQs #7 Post-Graduate Level Clinical &amp; Hemodynamic Masterclass \ud83c\udfc6 Live Scoreboard 0\/ 25 Correct Progress: 0\/25 Q1 A 58-year-old man with ischemic cardiomyopathy presents with decompensated heart failure. 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