1.0All About Cardiovascular System and Disordershttps://johnsonfrancis.org/professionalJohnson Francishttps://johnsonfrancis.org/professional/author/jf/rich600338<blockquote class="wp-embedded-content" data-secret="zx7ZgqoMeI"><a href="https://johnsonfrancis.org/professional/arrhythmia-in-hcm-cardiology-mcq-answer/">Arrhythmia in HCM – Cardiology MCQ – Answer</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://johnsonfrancis.org/professional/arrhythmia-in-hcm-cardiology-mcq-answer/embed/#?secret=zx7ZgqoMeI" width="600" height="338" title="“Arrhythmia in HCM – Cardiology MCQ – Answer” — All About Cardiovascular System and Disorders" data-secret="zx7ZgqoMeI" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://johnsonfrancis.org/professional/wp-includes/js/wp-embed.min.js </script> Commonest sustained arrhythmia in hypertrophic cardiomyopathy: Correct answer: d) Atrial fibrillation Atrial fibrillation (AF) can occur in about 1/5th of cases of hypertrophic cardiomyopathy (HCM). Factors predisposing to AF in HCM are left atrial pressure and size due to left ventricular diastolic dysfunction, left ventricular outflow tract obstruction and mitral regurgitation. About one fourth of […]