{"id":11445,"date":"2018-01-11T06:33:49","date_gmt":"2018-01-11T01:03:49","guid":{"rendered":"http:\/\/cardiophile.org\/?p=11445"},"modified":"2022-11-27T05:59:16","modified_gmt":"2022-11-27T00:29:16","slug":"vena-contracta-for-quantification-of-mitral-regurgitation","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/vena-contracta-for-quantification-of-mitral-regurgitation\/","title":{"rendered":"Vena contracta for quantification of mitral regurgitation"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/I6qKlbzRhCc\" 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;\">Vena contracta for quantification of mitral regurgitation<\/span><\/h2>\n<p>Measurement of the<span style=\"color: #0000ff;\"> Vena Contracta<\/span> is one of the methods for quantification of mitral regurgitation. <span style=\"color: #ff00ff;\">Vena contracta is the narrowest region of the neck of the mitral regurgitation flow at the regurgitant orifice<\/span>. The width of vena contracta will correspond to the diameter of the <span style=\"color: #0000ff;\"><em>effective regurgitant orifice (ERO)<\/em><\/span>.<\/p>\n<p>It may be noted that current guidelines of American Society of Echocardiography and European Association of Echocardiography suggest that color Doppler jet assessment should be used only for the diagnosis of mitral regurgitation, and not for exact quantification. This is because the color Doppler jet method is not excellent for quantification, though it will not be erroneous at both extremes &#8211; in the trivial and severe situations.<\/p>\n<p><strong><span style=\"color: #0000ff;\">Finer details of measurement of vena contracta<\/span><\/strong><\/p>\n<ol>\n<li><span style=\"color: #ff00ff;\">Vena contracta is measured in a view with the ultrasound beam perpendicular to the flow.<\/span><\/li>\n<li>Parasternal long axis view is used for measurement in case of mitral regurgitation. In this view the ultrasound beam is perpendicular to the mitral regurgitation flow. In certain eccentric mitral regurgitation jets, it may be measured well in the apical four chamber view.<\/li>\n<li>A zoomed image visualizing the proximal flow convergence, the vena contracta and the downstream flow jet is needed for the measurement.<\/li>\n<\/ol>\n<p><span style=\"color: #0000ff;\"><strong>Assessment of severity of mitral regurgitation from vena contracta<\/strong><\/span><\/p>\n<p>This is how the severity of mitral regurgitation is assessed:<\/p>\n<ol>\n<li>In severe mitral regurgitation, the vena contracta usually measures 7 mm or more.<\/li>\n<li>Values less than 3 mm excludes severe mitral regurgitation.<\/li>\n<li>Intermediate values need other methods of quantification for verification like <a href=\"\/professional\/proximal-isovelocity-surface-area-pisa-method-for-estimation-of-mitral-regurgitation\/\">proximal isovelocity surface area (PISA)<\/a> method.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Vena contracta for quantification of mitral regurgitation Measurement of the Vena Contracta is one of the methods for quantification of mitral regurgitation. Vena contracta is the narrowest region of the neck of the mitral regurgitation flow at the regurgitant orifice. The width of vena contracta will correspond to the diameter of the effective regurgitant orifice [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":29454,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[8],"tags":[1307,1395,2402,2532,4148],"class_list":["post-11445","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-echocardiogram-library","tag-effective-regurgitant-orifice","tag-ero","tag-mitral-regurgitation","tag-narrowest-region-of-the-neck-of-the-mitral-regurgitation-flow-at-the-regurgitant-orifice","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>Vena contracta for quantification of mitral regurgitation - All About Cardiovascular System and Disorders<\/title>\n<meta name=\"description\" content=\"Measurement of the Vena Contracta is one of the methods for quantification of mitral regurgitation.Vena contracta is the narrowest region of the neck of the mitral regurgitation flow at the regurgitant orifice. The width of vena contracta will correspond to the diameter of the effective regurgitant orifice (ERO).\" \/>\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\/vena-contracta-for-quantification-of-mitral-regurgitation\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vena contracta for quantification of mitral regurgitation - All About Cardiovascular System and Disorders\" \/>\n<meta property=\"og:description\" content=\"Measurement of the Vena Contracta is one of the methods for quantification of mitral regurgitation.Vena contracta is the narrowest region of the neck of the mitral regurgitation flow at the regurgitant orifice. The width of vena contracta will correspond to the diameter of the effective regurgitant orifice (ERO).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/professional\/vena-contracta-for-quantification-of-mitral-regurgitation\/\" \/>\n<meta property=\"og:site_name\" content=\"All About Cardiovascular System and Disorders\" \/>\n<meta property=\"article:published_time\" content=\"2018-01-11T01:03:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-11-27T00:29:16+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\\\/vena-contracta-for-quantification-of-mitral-regurgitation\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/vena-contracta-for-quantification-of-mitral-regurgitation\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"headline\":\"Vena contracta for quantification of mitral regurgitation\",\"datePublished\":\"2018-01-11T01:03:49+00:00\",\"dateModified\":\"2022-11-27T00:29:16+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/vena-contracta-for-quantification-of-mitral-regurgitation\\\/\"},\"wordCount\":271,\"publisher\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/vena-contracta-for-quantification-of-mitral-regurgitation\\\/#primaryimage\"},\"thumbnailUrl\":\"\",\"keywords\":[\"effective regurgitant orifice\",\"ERO\",\"mitral regurgitation\",\"narrowest region of the neck of the mitral regurgitation flow at the regurgitant orifice\",\"Vena Contracta\"],\"articleSection\":[\"Echocardiography\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/vena-contracta-for-quantification-of-mitral-regurgitation\\\/\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/vena-contracta-for-quantification-of-mitral-regurgitation\\\/\",\"name\":\"Vena contracta for quantification of mitral regurgitation - All About Cardiovascular System and Disorders\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/vena-contracta-for-quantification-of-mitral-regurgitation\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/vena-contracta-for-quantification-of-mitral-regurgitation\\\/#primaryimage\"},\"thumbnailUrl\":\"\",\"datePublished\":\"2018-01-11T01:03:49+00:00\",\"dateModified\":\"2022-11-27T00:29:16+00:00\",\"description\":\"Measurement of the Vena Contracta is one of the methods for quantification of mitral regurgitation.Vena contracta is the narrowest region of the neck of the mitral regurgitation flow at the regurgitant orifice. The width of vena contracta will correspond to the diameter of the effective regurgitant orifice (ERO).\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/vena-contracta-for-quantification-of-mitral-regurgitation\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/vena-contracta-for-quantification-of-mitral-regurgitation\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/vena-contracta-for-quantification-of-mitral-regurgitation\\\/#primaryimage\",\"url\":\"\",\"contentUrl\":\"\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/vena-contracta-for-quantification-of-mitral-regurgitation\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Vena contracta for quantification of mitral regurgitation\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#website\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/\",\"name\":\"All About Cardiovascular System and Disorders\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\",\"name\":\"Johnson Francis\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g\",\"caption\":\"Johnson Francis\"},\"logo\":{\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g\"},\"description\":\"Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/author\\\/jf\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Vena contracta for quantification of mitral regurgitation - All About Cardiovascular System and Disorders","description":"Measurement of the Vena Contracta is one of the methods for quantification of mitral regurgitation.Vena contracta is the narrowest region of the neck of the mitral regurgitation flow at the regurgitant orifice. The width of vena contracta will correspond to the diameter of the effective regurgitant orifice (ERO).","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/johnsonfrancis.org\/professional\/vena-contracta-for-quantification-of-mitral-regurgitation\/","og_locale":"en_US","og_type":"article","og_title":"Vena contracta for quantification of mitral regurgitation - All About Cardiovascular System and Disorders","og_description":"Measurement of the Vena Contracta is one of the methods for quantification of mitral regurgitation.Vena contracta is the narrowest region of the neck of the mitral regurgitation flow at the regurgitant orifice. The width of vena contracta will correspond to the diameter of the effective regurgitant orifice (ERO).","og_url":"https:\/\/johnsonfrancis.org\/professional\/vena-contracta-for-quantification-of-mitral-regurgitation\/","og_site_name":"All About Cardiovascular System and Disorders","article_published_time":"2018-01-11T01:03:49+00:00","article_modified_time":"2022-11-27T00:29:16+00:00","author":"Johnson Francis","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Johnson Francis","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/johnsonfrancis.org\/professional\/vena-contracta-for-quantification-of-mitral-regurgitation\/#article","isPartOf":{"@id":"https:\/\/johnsonfrancis.org\/professional\/vena-contracta-for-quantification-of-mitral-regurgitation\/"},"author":{"name":"Johnson Francis","@id":"https:\/\/johnsonfrancis.org\/professional\/#\/schema\/person\/5441d907049b914770f4bd98fb57feec"},"headline":"Vena contracta for quantification of mitral regurgitation","datePublished":"2018-01-11T01:03:49+00:00","dateModified":"2022-11-27T00:29:16+00:00","mainEntityOfPage":{"@id":"https:\/\/johnsonfrancis.org\/professional\/vena-contracta-for-quantification-of-mitral-regurgitation\/"},"wordCount":271,"publisher":{"@id":"https:\/\/johnsonfrancis.org\/professional\/#\/schema\/person\/5441d907049b914770f4bd98fb57feec"},"image":{"@id":"https:\/\/johnsonfrancis.org\/professional\/vena-contracta-for-quantification-of-mitral-regurgitation\/#primaryimage"},"thumbnailUrl":"","keywords":["effective regurgitant orifice","ERO","mitral regurgitation","narrowest region of the neck of the mitral regurgitation flow at the regurgitant orifice","Vena Contracta"],"articleSection":["Echocardiography"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/johnsonfrancis.org\/professional\/vena-contracta-for-quantification-of-mitral-regurgitation\/","url":"https:\/\/johnsonfrancis.org\/professional\/vena-contracta-for-quantification-of-mitral-regurgitation\/","name":"Vena contracta for quantification of mitral regurgitation - All About Cardiovascular System and Disorders","isPartOf":{"@id":"https:\/\/johnsonfrancis.org\/professional\/#website"},"primaryImageOfPage":{"@id":"https:\/\/johnsonfrancis.org\/professional\/vena-contracta-for-quantification-of-mitral-regurgitation\/#primaryimage"},"image":{"@id":"https:\/\/johnsonfrancis.org\/professional\/vena-contracta-for-quantification-of-mitral-regurgitation\/#primaryimage"},"thumbnailUrl":"","datePublished":"2018-01-11T01:03:49+00:00","dateModified":"2022-11-27T00:29:16+00:00","description":"Measurement of the Vena Contracta is one of the methods for quantification of mitral regurgitation.Vena contracta is the narrowest region of the neck of the mitral regurgitation flow at the regurgitant orifice. The width of vena contracta will correspond to the diameter of the effective regurgitant orifice (ERO).","breadcrumb":{"@id":"https:\/\/johnsonfrancis.org\/professional\/vena-contracta-for-quantification-of-mitral-regurgitation\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/johnsonfrancis.org\/professional\/vena-contracta-for-quantification-of-mitral-regurgitation\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/johnsonfrancis.org\/professional\/vena-contracta-for-quantification-of-mitral-regurgitation\/#primaryimage","url":"","contentUrl":""},{"@type":"BreadcrumbList","@id":"https:\/\/johnsonfrancis.org\/professional\/vena-contracta-for-quantification-of-mitral-regurgitation\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/johnsonfrancis.org\/professional\/"},{"@type":"ListItem","position":2,"name":"Vena contracta for quantification of mitral regurgitation"}]},{"@type":"WebSite","@id":"https:\/\/johnsonfrancis.org\/professional\/#website","url":"https:\/\/johnsonfrancis.org\/professional\/","name":"All About Cardiovascular System and Disorders","description":"","publisher":{"@id":"https:\/\/johnsonfrancis.org\/professional\/#\/schema\/person\/5441d907049b914770f4bd98fb57feec"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/johnsonfrancis.org\/professional\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":["Person","Organization"],"@id":"https:\/\/johnsonfrancis.org\/professional\/#\/schema\/person\/5441d907049b914770f4bd98fb57feec","name":"Johnson Francis","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g","caption":"Johnson Francis"},"logo":{"@id":"https:\/\/secure.gravatar.com\/avatar\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g"},"description":"Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal","url":"https:\/\/johnsonfrancis.org\/professional\/author\/jf\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/posts\/11445","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/comments?post=11445"}],"version-history":[{"count":2,"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/posts\/11445\/revisions"}],"predecessor-version":[{"id":56962,"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/posts\/11445\/revisions\/56962"}],"wp:attachment":[{"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/media?parent=11445"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/categories?post=11445"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/tags?post=11445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}