{"id":4651,"date":"2010-05-20T16:23:59","date_gmt":"2010-05-20T16:23:59","guid":{"rendered":"http:\/\/cardiophile.org\/?p=4651"},"modified":"2023-11-01T07:08:22","modified_gmt":"2023-11-01T01:38:22","slug":"rhd-mr-and-ar-on-colour-doppler-echo","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/rhd-mr-and-ar-on-colour-doppler-echo\/","title":{"rendered":"RHD MR and AR on colour Doppler echo"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/eQ6qMGbGb_Q?si=tXOJQyUbHTwofeV5\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/p>\n<h2><span style=\"color: #008000;\">RHD MR and AR on colour Doppler echo<\/span><\/h2>\n<figure id=\"attachment_36888\" aria-describedby=\"caption-attachment-36888\" style=\"width: 1200px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-36888 size-full\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2010\/05\/RHD-MR-and-AR-on-colour-Doppler-echo.jpg\" alt=\"RHD MR and AR on colour Doppler echo\" width=\"1200\" height=\"755\" \/><figcaption id=\"caption-attachment-36888\" class=\"wp-caption-text\">RHD MR and AR on colour Doppler echo<\/figcaption><\/figure>\n<p>Colour Doppler echocardiogram in rheumatic heart disease (RHD), mitral regurgitation (MR) and aortic regurgitation. Left frame shows aortic regurgitation jet from aorta to left ventricle. It appears to be at least moderate severity. LA: Left atrium; RA: Right atrium; LV: Left ventricle; RV: Right ventricle; Ao: Aorta; AR Jet: Aortic regurgitation jet; MR Jet: Mitral regurgitation jet.<\/p>\n<p>The mosaic coloured MR jet is outlined in the left atrium (right frame).\u00a0 The left frame shows the apical five chamber view in diastole, while the right frame shows the apical four chamber view in systole. The apical five chamber view shows an aortic regurgitation jet which merges with the mitral jet in the left ventricle. Mitral leaflets appear thickened, though the finer morphological details of the mitral and aortic valves are not clear in these colour flow mapping images. MR severity can be assessed by comparing the MR jet area with that of the left atrium as well as by observing the extent of penetration of the jet into the left atrium. The larger the comparative jet area and more distant the penetration of the jet, higher the severity of the mitral regurgitation. A disadvantage for comparing the area of the jet with that of the left atrium is in the presence of a grossly dilated left atrium. Similarly, the depth of jet penetration may vary depending on the eccentricity of the jet. This is also applicable to jet area, with eccentric jet appearing smaller in area.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>RHD, MR on colour Doppler echo shown in annotated and non annotated images.<\/p>\n","protected":false},"author":1,"featured_media":36888,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[25,8],"tags":[],"class_list":["post-4651","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-echocardiogram-library-echocardiogram-library","category-echocardiogram-library"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>RHD MR and AR on colour Doppler echo - apical 4C and 5C views<\/title>\n<meta name=\"description\" content=\"RHD MR and AR on colour Doppler echo: Left frame shows aortic regurgitation in apical five chamber view. 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