{"id":23932,"date":"2018-04-28T20:18:10","date_gmt":"2018-04-28T14:48:10","guid":{"rendered":"https:\/\/cardiophile.org\/?p=23932"},"modified":"2021-12-04T07:09:41","modified_gmt":"2021-12-04T01:39:41","slug":"arrhythmia-in-hcm-cardiology-mcq-answer","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/arrhythmia-in-hcm-cardiology-mcq-answer\/","title":{"rendered":"Arrhythmia in HCM &#8211; Cardiology MCQ &#8211; Answer"},"content":{"rendered":"<p align=\"LEFT\"><strong><span style=\"color: #008000;\">Commonest sustained arrhythmia in hypertrophic cardiomyopathy:<\/span><\/strong><\/p>\n<p align=\"LEFT\"><span style=\"color: #0000ff;\"><strong>Correct answer: d) Atrial fibrillation<\/strong><\/span><\/p>\n<p align=\"LEFT\">Atrial fibrillation (AF) can occur in about 1\/5<sup>th<\/sup> 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 them may develop embolic episodes and stroke. It has been suggested that those with left atrial diameter of 45 mm or more should undergo 48 hour Holter once or twice a year to look for AF. Anticoagulation is recommended in those with AF for prevention of stroke. Patients with HCM may go into heart failure at the onset of AF as atrial booster function is very important contributor of ventricular filling in these patients with left ventricular diastolic dysfunction.<\/p>\n<p align=\"LEFT\"><strong><span style=\"color: #0000ff;\">Reference<\/span><\/strong><\/p>\n<p align=\"LEFT\">1. Guttmann OP, Rahman MS, O&#8217;Mahony C, Anastasakis A, Elliott PM. Atrial fibrillation and thromboembolism in patients with hypertrophic cardiomyopathy: systematic review. Heart. 2014 Mar;100(6):465-72.<\/p>\n<div>\n<div class=\"x_gmail_signature\"><a style=\"line-height: 1.5;\" href=\"https:\/\/cardiophile.org\/arrhythmia-in-hcm-cardiology-mcq\/\"><strong>Back to question<\/strong><\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>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 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[3,5],"tags":[],"class_list":["post-23932","post","type-post","status-publish","format-standard","hentry","category-cardiology-mcq","category-dm-dnb-cardiology-entrance"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Arrhythmia in HCM - Cardiology MCQ - Answer - 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\/arrhythmia-in-hcm-cardiology-mcq-answer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Arrhythmia in HCM - Cardiology MCQ - Answer - All About Cardiovascular System and Disorders\" \/>\n<meta property=\"og:description\" content=\"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. 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