{"id":9799,"date":"2016-09-17T20:00:49","date_gmt":"2016-09-17T14:30:49","guid":{"rendered":"http:\/\/cardiophile.org\/?p=351"},"modified":"2022-12-09T07:11:27","modified_gmt":"2022-12-09T01:41:27","slug":"mitral-regurgitation-jet-by-color-doppler-echocardiography","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/mitral-regurgitation-jet-by-color-doppler-echocardiography\/","title":{"rendered":"Mitral regurgitation jet by color Doppler echocardiography"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/oWkw4PY7Gb8\" 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;\">Mitral regurgitation jet by color Doppler echocardiography<\/span><\/h2>\n<figure style=\"width: 386px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2008\/10\/mr-jet-1.jpg\" alt=\"Mitral regurgitation jet by color Doppler echo from apical four chamber view\" width=\"386\" height=\"500\"><figcaption class=\"wp-caption-text\"><span style=\"color: #0000ff;\"><strong><em>Mitral regurgitation jet by color Doppler echo from apical four chamber view<\/em><\/strong><\/span><\/figcaption><\/figure>\n<p>MR jet is seen as a mosaic area within the left atrium within the color flow mapping frame. Mosaic color is due to aliasing as the MR jet velocity is much above aliasing velocity of the system. Severity of the mitral regurgitation can be assessed by the extent to which the jet extends into the left atrium. Other measures are the area of the jet, especially in comparison with the area of the left atrium. Larger the ratio, more severe the mitral regurgitation. AML is seen in the closed position between the LA and LV indicating that it is a systolic frame.<\/p>\n<p>Vena contracta is the narrowest portion of the MR jet at or just beyond the regurgitant orifice. It is an accurate indicator of severity of MR, but being a small absolute value, measurement errors can be magnified. Vena contracta gives an estimate of the effective regurgitant orifice. This is<span style=\"color: #0000ff;\"> best measured in the parasternal long axis view<\/span>. In apical four chamber view, inherent limitation of lateral resolution makes measurement of vena contracta erroneous.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mitral regurgitation jet by color Doppler echocardiography. Vena contracta is the narrowest portion of the MR jet at or just beyond the regurgitant orifice. It is an accurate indicator of severity of MR.<\/p>\n","protected":false},"author":1,"featured_media":45483,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[25,8],"tags":[128,169,303,820,821,2402,2483,4148],"class_list":["post-9799","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-echocardiogram-library-echocardiogram-library","category-echocardiogram-library","tag-acute-mitral-regurgitation","tag-aliasing","tag-apical-four-chamber-view","tag-color-doppler-echocardiography","tag-color-flow-mapping","tag-mitral-regurgitation","tag-mr-jet","tag-vena-contracta"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mitral regurgitation jet by color Doppler echocardiography<\/title>\n<meta name=\"description\" content=\"Mitral regurgitation jet by color Doppler echocardiography, seen as a mosaic (multicolor) area within the left atrium. Vena contracta is also seen.\" \/>\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\/mitral-regurgitation-jet-by-color-doppler-echocardiography\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mitral regurgitation jet by color Doppler echocardiography\" \/>\n<meta property=\"og:description\" content=\"Mitral regurgitation jet by color Doppler echocardiography, seen as a mosaic (multicolor) area within the left atrium. Vena contracta is also seen.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/professional\/mitral-regurgitation-jet-by-color-doppler-echocardiography\/\" \/>\n<meta property=\"og:site_name\" content=\"All About Cardiovascular System and Disorders\" \/>\n<meta property=\"article:published_time\" content=\"2016-09-17T14:30:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-12-09T01:41:27+00:00\" \/>\n<meta name=\"author\" content=\"Johnson Francis\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Johnson Francis\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/mitral-regurgitation-jet-by-color-doppler-echocardiography\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/mitral-regurgitation-jet-by-color-doppler-echocardiography\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"headline\":\"Mitral regurgitation jet by color Doppler echocardiography\",\"datePublished\":\"2016-09-17T14:30:49+00:00\",\"dateModified\":\"2022-12-09T01:41:27+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/mitral-regurgitation-jet-by-color-doppler-echocardiography\\\/\"},\"wordCount\":207,\"publisher\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/mitral-regurgitation-jet-by-color-doppler-echocardiography\\\/#primaryimage\"},\"thumbnailUrl\":\"\",\"keywords\":[\"acute mitral regurgitation\",\"aliasing\",\"apical four chamber view\",\"Color Doppler echocardiography\",\"color flow mapping\",\"mitral regurgitation\",\"MR jet\",\"Vena Contracta\"],\"articleSection\":[\"Echocardiogram Library\",\"Echocardiography\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/mitral-regurgitation-jet-by-color-doppler-echocardiography\\\/\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/mitral-regurgitation-jet-by-color-doppler-echocardiography\\\/\",\"name\":\"Mitral regurgitation jet by color Doppler echocardiography\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/mitral-regurgitation-jet-by-color-doppler-echocardiography\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/mitral-regurgitation-jet-by-color-doppler-echocardiography\\\/#primaryimage\"},\"thumbnailUrl\":\"\",\"datePublished\":\"2016-09-17T14:30:49+00:00\",\"dateModified\":\"2022-12-09T01:41:27+00:00\",\"description\":\"Mitral regurgitation jet by color Doppler echocardiography, seen as a mosaic (multicolor) area within the left atrium. 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