{"id":21055,"date":"2015-12-17T11:34:31","date_gmt":"2015-12-17T06:04:31","guid":{"rendered":"https:\/\/cardiophile.org\/?p=21055"},"modified":"2022-12-12T07:36:33","modified_gmt":"2022-12-12T02:06:33","slug":"austin-flint-murmur2","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/austin-flint-murmur2\/","title":{"rendered":"Austin Flint murmur"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YspH2Z9B97Q\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"><\/iframe><\/p>\n<h2 style=\"text-align: left;\"><span style=\"color: #008000;\">Austin Flint murmur<\/span><\/h2>\n<figure id=\"attachment_52940\" aria-describedby=\"caption-attachment-52940\" style=\"width: 1200px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-52940\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2015\/12\/Austin-Flint-murmur-2.jpg\" alt=\"Austin Flint murmur\" width=\"1200\" height=\"819\" srcset=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2015\/12\/Austin-Flint-murmur-2.jpg 1200w, https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2015\/12\/Austin-Flint-murmur-2-300x205.jpg 300w, https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2015\/12\/Austin-Flint-murmur-2-1024x699.jpg 1024w, https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2015\/12\/Austin-Flint-murmur-2-768x524.jpg 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption id=\"caption-attachment-52940\" class=\"wp-caption-text\">Austin Flint murmur (S3 need not be there always)<\/figcaption><\/figure>\n<p>Austin Flint murmur is the mid diastolic murmur heard in mitral area in a case of severe aortic regurgitation. Original description of the murmur was way back in 1862 [1]. Austin Flint thought that the mitral leaflets floated back to the closed position as the left ventricular diastolic pressure rose due to severe aortic regurgitation. Atrial systole produced re-opening of the mitral valve and the accompanying vibration of the anterior mitral leaflet produced the presystolic murmur.<\/p>\n<p>But in 1965, Wigle ED and Labrosse CJ showed that there is a reverse gradient between left ventricle and left atrium in those with severe acute aortic regurgitation and Austin Flint murmur [2], thereby countering the mechanism suggested by the original author. Lochaya S, Igarashi M and Shaffer AB suggested that the reverse gradient leads to diastolic mitral regurgitation, which is probably the cause of Austin Flint murmur [3].<\/p>\n<p>Further recent insights into the <a href=\"\/professional\/what-are-the-mechanisms-of-austin-flint-murmur-in-aortic-regurgitation\/\">mechanism of Austin Flint murmur<\/a>&nbsp;has been discussed in an earlier post.<\/p>\n<p><strong><span style=\"color: #0000ff;\">References<\/span><\/strong><\/p>\n<ol>\n<li>Flint A. Amer. J. Med. Sci. 1862; 44: 29.<\/li>\n<li>Wigle ED, Labrosse CJ. Sudden, severe aortic insufficiency.&nbsp;Circulation. 1965 Nov;32(5):708-20.<\/li>\n<li>Lochaya S, Igarashi M, Shaffer AB. <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/4951292\">Late diastolic mitral regurgitation secondary to aortic regurgitation: its relationship to the Austin Flint murmur<\/a>.&nbsp;Am Heart J. 1967 Aug;74(2):161-9.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Austin Flint murmur Austin Flint murmur is the mid diastolic murmur heard in mitral area in a case of severe aortic regurgitation. Original description of the murmur was way back in 1862 [1]. Austin Flint thought that the mitral leaflets floated back to the closed position as the left ventricular diastolic pressure rose due to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":52940,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[9],"tags":[],"class_list":["post-21055","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Austin Flint murmur is the mid diastolic murmur heard in mitral area in AR<\/title>\n<meta name=\"description\" content=\"Austin Flint murmur is the mid diastolic murmur heard in mitral area in a case of severe aortic regurgitation. Original description in 1862.\" \/>\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\/austin-flint-murmur2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Austin Flint murmur is the mid diastolic murmur heard in mitral area in AR\" \/>\n<meta property=\"og:description\" content=\"Austin Flint murmur is the mid diastolic murmur heard in mitral area in a case of severe aortic regurgitation. 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