{"id":10049,"date":"2011-05-01T15:17:07","date_gmt":"2011-05-01T09:47:07","guid":{"rendered":"http:\/\/cardiophile.org\/?p=5950"},"modified":"2011-05-01T15:17:07","modified_gmt":"2011-05-01T09:47:07","slug":"inferior-venacaval-dimensions-and-right-atrial-pressure-2","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\/","title":{"rendered":"Inferior venacaval dimensions and right atrial pressure"},"content":{"rendered":"<h2><span style=\"color: #008000;\">Inferior venacaval dimensions and right atrial pressure<\/span><\/h2>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/UP4I38CXZMQ\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"><\/iframe><br \/>\nInferior venacaval dimensions and right atrial pressure: There is a correlation between inferior vena caval dimension and the right atrial pressure. Inferior vena caval (IVC) dimensions can be measured from the subcostal view on echocardiography. If the inferior vena caval size is small (less than 1.5 cm) and collapses with inspiration, the estimated right atrial pressure is below 5 mm Hg. When the inferior vena caval size is normal (between 1.5 to 2.5 cm) and the inspiratory decrease in diameter is more than 50 percent, the estimated right atrial pressure is between 5 and 10 mm Hg. With a normal inferior vena caval size, if the inspiratory decrease is less than 50 percent, right atrial pressure is likely to be between 10 and 15 mm Hg. If the inferior vena cava is dilated (more than 2.5 cm in diameter) and the inspiratory decrease in size is less than 50 percent, the right atrial pressure is estimated to be between 15 and 20 mm Hg. When the inferior vena cava is dilated along with dilatation of the hepatic veins and the diameter does not change with inspiration the right atrial pressure is mostly above 20 mm Hg. Inferior vena caval plethora is the term given to lack of significant inspiratory collapse with a dilated inferior vena cava, an important echocardiographic manifestation of right heart congestion.<\/p>\n<p>IVC collapsibility index (IVCCI) is calculated using IVC maximum (expiratory) and minimum diameters (inspiratory):<\/p>\n<p>IVCCI = (maximum IVC diameter &#8211; minimum IVC diameter\/maximum IVC diameter) \u00d7 100<\/p>\n<p>Lawrence G Rudski, Wyman W Lai, Jonathan Afilalo, Lanqi Hua, Mark D Handschumacher, Krishnaswamy Chandrasekaran, Scott D Solomon, Eric K Louie and Nelson B Schiller mention that if IVC diameter is &gt;21 mm and IVCCI &lt;50%, right atrial pressure is high (15 mm Hg) [2].<\/p>\n<p><strong><span style=\"color: #0000ff;\">References<\/span><\/strong><\/p>\n<ol>\n<li>Renato De Vecchis, Cesare Baldi, Giuseppe Giandomenico, Marco Di Maio, Anna Giasi, Carmela Cioppa. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/27429676\/\">Estimating Right Atrial Pressure Using Ultrasounds: An Old Issue Revisited With New Methods<\/a>. J Clin Med Res. 2016 Aug;8(8):569-74.<\/li>\n<li>Lawrence G Rudski, Wyman W Lai, Jonathan Afilalo, Lanqi Hua, Mark D Handschumacher, Krishnaswamy Chandrasekaran, Scott D Solomon, Eric K Louie, Nelson B Schiller. Guidelines for the echocardiographic assessment of the right heart in adults: a report from the American Society of Echocardiography endorsed by the European Association of Echocardiography, a registered branch of the European Society of Cardiology, and the Canadian Society of Echocardiography. J Am Soc Echocardiogr. 2010 Jul;23(7):685-713; quiz 786-8.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>There is a correlation between inferior vena caval dimension and the right atrial pressure.<\/p>\n","protected":false},"author":1,"featured_media":36531,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[8],"tags":[],"class_list":["post-10049","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-echocardiogram-library"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Inferior venacaval dimensions and right atrial pressure<\/title>\n<meta name=\"description\" content=\"Inferior venacaval dimensions and right atrial pressure: IVC plethora indicates RA pressure of 20 mm Hg. Normal IVC indicates RA pressure below 5 mm Hg.\" \/>\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\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Inferior venacaval dimensions and right atrial pressure\" \/>\n<meta property=\"og:description\" content=\"Inferior venacaval dimensions and right atrial pressure: IVC plethora indicates RA pressure of 20 mm Hg. Normal IVC indicates RA pressure below 5 mm Hg.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/professional\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\/\" \/>\n<meta property=\"og:site_name\" content=\"All About Cardiovascular System and Disorders\" \/>\n<meta property=\"article:published_time\" content=\"2011-05-01T09:47:07+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\\\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"headline\":\"Inferior venacaval dimensions and right atrial pressure\",\"datePublished\":\"2011-05-01T09:47:07+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\\\/\"},\"wordCount\":398,\"publisher\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\\\/#primaryimage\"},\"thumbnailUrl\":\"\",\"articleSection\":[\"Echocardiography\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\\\/\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\\\/\",\"name\":\"Inferior venacaval dimensions and right atrial pressure\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\\\/#primaryimage\"},\"thumbnailUrl\":\"\",\"datePublished\":\"2011-05-01T09:47:07+00:00\",\"description\":\"Inferior venacaval dimensions and right atrial pressure: IVC plethora indicates RA pressure of 20 mm Hg. Normal IVC indicates RA pressure below 5 mm Hg.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\\\/#primaryimage\",\"url\":\"\",\"contentUrl\":\"\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Inferior venacaval dimensions and right atrial pressure\"}]},{\"@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":"Inferior venacaval dimensions and right atrial pressure","description":"Inferior venacaval dimensions and right atrial pressure: IVC plethora indicates RA pressure of 20 mm Hg. Normal IVC indicates RA pressure below 5 mm Hg.","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\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\/","og_locale":"en_US","og_type":"article","og_title":"Inferior venacaval dimensions and right atrial pressure","og_description":"Inferior venacaval dimensions and right atrial pressure: IVC plethora indicates RA pressure of 20 mm Hg. Normal IVC indicates RA pressure below 5 mm Hg.","og_url":"https:\/\/johnsonfrancis.org\/professional\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\/","og_site_name":"All About Cardiovascular System and Disorders","article_published_time":"2011-05-01T09:47:07+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\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\/#article","isPartOf":{"@id":"https:\/\/johnsonfrancis.org\/professional\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\/"},"author":{"name":"Johnson Francis","@id":"https:\/\/johnsonfrancis.org\/professional\/#\/schema\/person\/5441d907049b914770f4bd98fb57feec"},"headline":"Inferior venacaval dimensions and right atrial pressure","datePublished":"2011-05-01T09:47:07+00:00","mainEntityOfPage":{"@id":"https:\/\/johnsonfrancis.org\/professional\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\/"},"wordCount":398,"publisher":{"@id":"https:\/\/johnsonfrancis.org\/professional\/#\/schema\/person\/5441d907049b914770f4bd98fb57feec"},"image":{"@id":"https:\/\/johnsonfrancis.org\/professional\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\/#primaryimage"},"thumbnailUrl":"","articleSection":["Echocardiography"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/johnsonfrancis.org\/professional\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\/","url":"https:\/\/johnsonfrancis.org\/professional\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\/","name":"Inferior venacaval dimensions and right atrial pressure","isPartOf":{"@id":"https:\/\/johnsonfrancis.org\/professional\/#website"},"primaryImageOfPage":{"@id":"https:\/\/johnsonfrancis.org\/professional\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\/#primaryimage"},"image":{"@id":"https:\/\/johnsonfrancis.org\/professional\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\/#primaryimage"},"thumbnailUrl":"","datePublished":"2011-05-01T09:47:07+00:00","description":"Inferior venacaval dimensions and right atrial pressure: IVC plethora indicates RA pressure of 20 mm Hg. Normal IVC indicates RA pressure below 5 mm Hg.","breadcrumb":{"@id":"https:\/\/johnsonfrancis.org\/professional\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/johnsonfrancis.org\/professional\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/johnsonfrancis.org\/professional\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\/#primaryimage","url":"","contentUrl":""},{"@type":"BreadcrumbList","@id":"https:\/\/johnsonfrancis.org\/professional\/inferior-venacaval-dimensions-and-right-atrial-pressure-2\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/johnsonfrancis.org\/professional\/"},{"@type":"ListItem","position":2,"name":"Inferior venacaval dimensions and right atrial pressure"}]},{"@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\/10049","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=10049"}],"version-history":[{"count":0,"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/posts\/10049\/revisions"}],"wp:attachment":[{"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/media?parent=10049"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/categories?post=10049"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/johnsonfrancis.org\/professional\/wp-json\/wp\/v2\/tags?post=10049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}