New Series of Interactive Cardiology MCQs 15
❤️ Advanced Cardiology Series – Part 15
Interactive Cardiology MCQs #15
Post-Graduate Level Clinical, Imaging & Pharmacology Masterclass
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Q1
In a patient with known rheumatic mitral stenosis (MS), how does the presence of concomitant severe aortic regurgitation (AR) affect the echocardiographic estimation of the Mitral Valve Area (MVA) using the Pressure Half-Time (PHT) method?
Q2
Which of the following is a recognized mechanism by which Sodium-Glucose Cotransporter 2 (SGLT2) inhibitors provide profound cardiovascular benefits in patients with Heart Failure?
Q3
A 25-year-old male with a structurally normal heart presents with palpitations. The ECG shows a wide-complex tachycardia with a Right Bundle Branch Block (RBBB) morphology and a superior (left) axis. The tachycardia is uniquely terminated by intravenous Verapamil. What is the most likely diagnosis?
Q4
When differentiating constrictive pericarditis from restrictive cardiomyopathy using Cardiac Magnetic Resonance (CMR) imaging, which finding is highly specific for constrictive pericarditis?
Q5
In adult congenital heart disease (ACHD), patients who have undergone a Fontan palliation for a single ventricle physiology are at high risk for a specific long-term complication characterized by profound hypoalbuminemia, edema, and immunodeficiency. What is this complication?
Q6
During Percutaneous Coronary Intervention (PCI), what is the primary clinical indication for using Rotational Atherectomy (e.g., Rotablator)?
Q7
A patient undergoes a right heart catheterization for unexplained dyspnea. Oximetry run demonstrates the following oxygen saturations: SVC = 68%, IVC = 70%, Right Atrium = 70%, Right Ventricle = 84%, Pulmonary Artery = 83%. What is the most likely diagnosis?
Q8
An ECG reveals prominent, positive deflections at the J-point (Osborn waves) most noticeable in the inferior and lateral precordial leads, accompanied by sinus bradycardia and prolongation of the PR, QRS, and QT intervals. Which clinical condition is this pathognomonic for?
Q9
Inclisiran is a novel lipid-lowering therapy administered subcutaneously twice a year. What is its precise mechanism of action?
Q10
According to current AHA/ACC/HFSA guidelines, which patient with Heart Failure with Reduced Ejection Fraction (HFrEF) on optimal medical therapy has a Class I recommendation for Cardiac Resynchronization Therapy (CRT)?
Q11
In Hypertrophic Obstructive Cardiomyopathy (HOCM), what are the primary physical fluid dynamics principles believed to cause Systolic Anterior Motion (SAM) of the mitral valve?
Q12
A 55-year-old patient undergoing chemotherapy for colorectal cancer with 5-Fluorouracil (5-FU) develops acute, severe chest pain during the infusion. An ECG shows transient ST-segment elevations. What is the most likely mechanism of this specific cardiotoxicity?
Q13
Colchicine is a Class I recommendation as an adjunct to NSAIDs for acute idiopathic pericarditis to hasten recovery and prevent recurrence. What is its cellular mechanism of action?
Q14
In typical “Slow-Fast” Atrioventricular Nodal Reentrant Tachycardia (AVNRT), how is the RP interval characterized on a surface ECG?
Q15
When considering Transcatheter Aortic Valve Replacement (TAVR) in a patient with a Bicuspid Aortic Valve (BAV), what are the two most significantly elevated procedural risks compared to TAVR in a tricuspid aortic valve?
Q16
Palpation of the carotid pulse reveals a “pulsus parvus et tardus.” This physical finding is classically associated with which valvular abnormality?
Q17
Following an orthotopic heart transplantation, what is the gold standard diagnostic procedure utilized routinely during the first year to monitor for cellular or antibody-mediated rejection?
Q18
A 14-year-old collapses during physical exertion. A subsequent exercise stress test reveals frequent premature ventricular contractions that organize into a polymorphic “bidirectional” ventricular tachycardia as the heart rate increases. Which genetic mutation is most commonly responsible for this condition?
Q19
According to the Stanford classification system, how is an acute aortic dissection definitively managed if it involves the ascending aorta (Stanford Type A)?
Q20
Which echocardiographic sign is the most sensitive indicator of early cardiac tamponade physiology?
Q21
A patient taking the direct oral anticoagulant (DOAC) apixaban presents with life-threatening gastrointestinal bleeding. Which specific reversal agent is FDA-approved to neutralize apixaban?
Q22
A 45-year-old female presents with elevated troponins and chest pain. Coronary angiography reveals completely normal, unobstructed coronary arteries (MINOCA). What is the most critical next non-invasive diagnostic test to determine the underlying etiology?
Q23
In developed nations, the vast majority of cases of severe Tricuspid Regurgitation (TR) are classified as “secondary” (functional). What is the primary pathophysiological driver of secondary TR?
Q24
Which patient profile is the most established indication for the implantation of a leadless permanent pacemaker (e.g., Micra)?
Q25
Elevated levels of Lipoprotein(a) [Lp(a)] are recognized as a highly prevalent, genetically determined risk factor. In addition to driving atherosclerotic cardiovascular disease (ASCVD), high Lp(a) levels are uniquely and independently linked to the rapid progression of which specific cardiovascular pathology?
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About The Author
Johnson Francis
Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal