{"id":31898,"date":"2020-04-29T04:26:00","date_gmt":"2020-04-28T22:56:00","guid":{"rendered":"https:\/\/johnsonfrancis.org\/professional\/?p=31898"},"modified":"2020-04-29T04:26:00","modified_gmt":"2020-04-28T22:56:00","slug":"most-common-myocardial-disorder-in-obesity-cardiology-mcq-answer","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/most-common-myocardial-disorder-in-obesity-cardiology-mcq-answer\/","title":{"rendered":"Most common myocardial disorder in obesity &#8211; Cardiology MCQ &#8211; Answer"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/ikNeXHpTCcQ\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"><\/iframe><\/p>\n<h2><span style=\"color: #008000;\">Most common myocardial disorder in obesity &#8211; Cardiology MCQ &#8211; Answer<\/span><\/h2>\n<p><strong><span style=\"color: #0000ff;\">Most common myocardial disorder in obesity &#8211; Correct answer: <\/span><span style=\"font-size: inherit; color: #0000ff;\">b) Heart failure with preserved ejection fraction<\/span><\/strong><\/p>\n<p>Most common myocardial disorder in obesity is heart failure with preserved ejection fraction [1]. This is mostly due to reduced distensibility of the left ventricle causing left ventricular diastolic dysfunction and heart failure with preserved ejection fraction (HFpEF). On the other way round, obesity is common in those with HFpEF [2].<\/p>\n<p>In obesity, due to reduced distensibility of the left ventricle, even slight increase in filling leads to disproportionate increase in filling pressures. This is thought to be due to proportionately lower microvasculature and increase in fibrosis, directly driven by adiposity. Amount of myocardial fibrosis is directly related to diastolic filling, functional capacity and outcomes [1].<\/p>\n<p>High output heart failure occurs only in the morbidly obese with volume overload. They have markedly enlarged ventricles and elevated natriuretic peptides with glomerular hyperfiltration [3]. Still obesity contributed to 31% of cases in this data of 15 year experience on high output heart failure from Mayo Clinic catheterization laboratory.<\/p>\n<p><a href=\"https:\/\/johnsonfrancis.org\/professional\/most-common-myocardial-disorder-in-obesity-cardiology-mcq\/\"><strong>Back to question<\/strong><\/a><\/p>\n<p><strong><span style=\"color: #0000ff;\">References<\/span><\/strong><\/p>\n<ol>\n<li>Packer M. Epicardial Adipose Tissue May Mediate Deleterious Effects of Obesity and Inflammation on the Myocardium. J Am Coll Cardiol. 2018 May 22;71(20):2360-2372.<\/li>\n<li>Obokata M, Reddy YNV, Pislaru SV, Melenovsky V, Borlaug BA. E<a href=\"https:\/\/www.ahajournals.org\/doi\/full\/10.1161\/CIRCULATIONAHA.116.026807\">vidence Supporting the Existence of a Distinct Obese Phenotype of Heart Failure With Preserved Ejection Fraction<\/a>. Circulation. 2017 Jul 4;136(1):6-19.<\/li>\n<li>Reddy YNV, Melenovsky V, Redfield MM, Nishimura RA, Borlaug BA. <a href=\"http:\/\/www.onlinejacc.org\/content\/68\/5\/473?\">High-Output Heart Failure: A 15-Year Experience<\/a>. J Am Coll Cardiol. 2016 Aug 2;68(5):473-482.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Most common myocardial disorder in obesity &#8211; Cardiology MCQ &#8211; Answer Most common myocardial disorder in obesity &#8211; Correct answer: b) Heart failure with preserved ejection fraction Most common myocardial disorder in obesity is heart failure with preserved ejection fraction [1]. This is mostly due to reduced distensibility of the left ventricle causing left ventricular [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":31008,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[3,5],"tags":[],"class_list":["post-31898","post","type-post","status-publish","format-standard","has-post-thumbnail","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>Most common myocardial disorder in obesity - Cardiology MCQ - Answer - All About Cardiovascular System and Disorders<\/title>\n<meta name=\"description\" content=\"Most common myocardial disorder in obesity is heart failure with preserved ejection fraction. 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