{"id":19112,"date":"2015-05-14T06:51:09","date_gmt":"2015-05-14T01:21:09","guid":{"rendered":"https:\/\/cardiophile.org\/?p=19112"},"modified":"2022-12-31T05:25:11","modified_gmt":"2022-12-30T23:55:11","slug":"6060-sign-in-acute-pulmonary-embolism","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/6060-sign-in-acute-pulmonary-embolism\/","title":{"rendered":"60\/60 sign in acute pulmonary embolism"},"content":{"rendered":"<h2><span style=\"color: #008000;\"><strong>60\/60 sign in acute pulmonary embolism<\/strong><\/span><\/h2>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/BmN4-zVYAGE\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"><\/iframe><\/p>\n<p>60\/60 sign in acute pulmonary embolism is a pattern detected by Doppler echocardiography indicating a disturbed right ventricular ejection pattern.<\/p>\n<p>The sign has two components:<\/p>\n<ol>\n<li>Tricuspid regurgitation (TR) jet gradient of less than 60 millimeters of mercury (TR velocity less than 3.9 meters per second)<\/li>\n<li>Pulmonary flow acceleration time of less than 60 milliseconds [1,2].<\/li>\n<\/ol>\n<p>It may be noted that TR gradient should be above 30 mm Hg to indicate pulmonary hypertension due to pulmonary embolism. High TR gradients may indicate chronic thromboembolic pulmonary hypertension, especially in presence of right ventricular free wall hypertrophy suggesting long standing pulmonary hypertension.<\/p>\n<p>False positive results have been noted in pulmonary fibrosis and acute respiratory distress following lung resection [2]. 60\/60 sign has been noted to have a sensitivity of 25% and specificity of 94% in one study [2], compared to 19% sensitivity and 100% for <a href=\"\/professional\/mcconnell-sign-mechanism\/\">McConnell sign<\/a>. But other studies have shown false positivity for McConnell sign as right ventricular free wall hypokinesia\/akinesia can occur in right ventricular myocardial infarction as well [3]. McConnell sign is hypokinesia of right ventricular free wall with relative sparing of the contraction of right ventricular apex.<\/p>\n<p><strong><span style=\"color: #0000ff;\">References<\/span><\/strong><\/p>\n<ol>\n<li>Lodato JA, Ward RP, Lang RM.&nbsp;<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/18652005\">Echocardiographic predictors of pulmonary embolism in patients referred for helical CT<\/a>.&nbsp;Echocardiography. 2008 Jul;25(6):584-90.<\/li>\n<li>Kurzyna M, Torbicki A, Pruszczyk P, Burakowska B, Fija\u0142kowska A, Kober J, Oniszh K, Kuca P, Tomkowski W, Burakowski J, Wawrzy\u0144ska L. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/12208411\/\">Disturbed right ventricular ejection pattern as a new Doppler echocardiographic sign of acute pulmonary embolism<\/a>.&nbsp;Am J Cardiol. 2002 Sep 1;90(5):507-11.<\/li>\n<li>\n<div class=\"citation-text\" data-citation-style=\"nlm\">Casazza F, Bongarzoni A, Capozi A, Agostoni O. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/15664548\/\">Regional right ventricular dysfunction in acute pulmonary embolism and right ventricular infarction<\/a>. Eur J Echocardiogr. 2005 Jan;6(1):11-4.&nbsp;<\/div>\n<\/li>\n<\/ol>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>60\/60 sign in acute pulmonary embolism combines tricuspid regurgitation gradient of less than 60 mm Hg and pulmonary flow acceleration time of less than 60 msec.<\/p>\n","protected":false},"author":1,"featured_media":57821,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[8],"tags":[],"class_list":["post-19112","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 v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>60\/60 sign in acute pulmonary embolism - All About Cardiovascular System and Disorders<\/title>\n<meta name=\"description\" content=\"60\/60 sign in acute pulmonary embolism is a pattern detected by Doppler echocardiography indicating a disturbed right ventricular ejection pattern.\" \/>\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\/6060-sign-in-acute-pulmonary-embolism\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"60\/60 sign in acute pulmonary embolism - 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