{"id":24649,"date":"2018-06-14T14:01:05","date_gmt":"2018-06-14T08:31:05","guid":{"rendered":"https:\/\/cardiophile.org\/?p=24649"},"modified":"2022-11-15T19:01:42","modified_gmt":"2022-11-15T13:31:42","slug":"impulse-of-left-ventricular-ejection","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/impulse-of-left-ventricular-ejection\/","title":{"rendered":"Impulse of left ventricular ejection"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/2RC5Gl_4jP0\" 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;\"><strong>Impulse of left ventricular ejection<\/strong><\/span><\/h2>\n<p>Impulse of left ventricular ejection is the rate of change of central arterial pressure with respect to time (dP\/dt).<\/p>\n<p>In cases with aortic root dilatation like Marfan syndrome, an increase in the impulse of left ventricular ejection can increase the chance of dissection. Same is true while treating severe hypertension. If blood pressure is reduced with vasodilators which do not decrease the impulse, but rather risks an increase of the impulse, chance of dissection does not decrease. This is the rationale of combining a beta blocker with vasodilators while treating severe hypertension, especially with aortic dissection. Reduction in left ventricular impulse by beta blockers reduces the chance of progression of aortic dissection.<\/p>\n<p>Along similar lines beta blockers can be used to reduce the progression of aortic dilatation in Marfan syndrome. Trials have documented this effect right from 1994 [1].<\/p>\n<p><span style=\"color: #0000ff;\"><strong>Reference<\/strong><\/span><strong><br \/>\n<\/strong><\/p>\n<ol>\n<li>Shores J, Berger KR, Murphy EA, Pyeritz RE.&nbsp;<a href=\"https:\/\/www.nejm.org\/doi\/10.1056\/NEJM199405123301902\">Progression of aortic dilatation and the benefit of long-term beta-adrenergic blockade in Marfan&#8217;s syndrome.<\/a>&nbsp;N Engl J Med. 1994 May 12;330(19):1335-41.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Impulse of left ventricular ejection Impulse of left ventricular ejection is the rate of change of central arterial pressure with respect to time (dP\/dt). In cases with aortic root dilatation like Marfan syndrome, an increase in the impulse of left ventricular ejection can increase the chance of dissection. Same is true while treating severe hypertension. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":40214,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[9],"tags":[],"class_list":["post-24649","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Impulse of left ventricular ejection - dP\/dt of central arterial pressure<\/title>\n<meta name=\"description\" content=\"Impulse of left ventricular ejection is the rate of change of central arterial pressure with respect to time (dP\/dt). Increase predisposes to dissection.\" \/>\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\/impulse-of-left-ventricular-ejection\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Impulse of left ventricular ejection - dP\/dt of central arterial pressure\" \/>\n<meta property=\"og:description\" content=\"Impulse of left ventricular ejection is the rate of change of central arterial pressure with respect to time (dP\/dt). Increase predisposes to dissection.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/professional\/impulse-of-left-ventricular-ejection\/\" \/>\n<meta property=\"og:site_name\" content=\"All About Cardiovascular System and Disorders\" \/>\n<meta property=\"article:published_time\" content=\"2018-06-14T08:31:05+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-11-15T13:31:42+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=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/impulse-of-left-ventricular-ejection\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/impulse-of-left-ventricular-ejection\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"headline\":\"Impulse of left ventricular ejection\",\"datePublished\":\"2018-06-14T08:31:05+00:00\",\"dateModified\":\"2022-11-15T13:31:42+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/impulse-of-left-ventricular-ejection\\\/\"},\"wordCount\":180,\"publisher\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/impulse-of-left-ventricular-ejection\\\/#primaryimage\"},\"thumbnailUrl\":\"\",\"articleSection\":[\"General Cardiology\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/impulse-of-left-ventricular-ejection\\\/\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/impulse-of-left-ventricular-ejection\\\/\",\"name\":\"Impulse of left ventricular ejection - dP\\\/dt of central arterial pressure\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/impulse-of-left-ventricular-ejection\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/impulse-of-left-ventricular-ejection\\\/#primaryimage\"},\"thumbnailUrl\":\"\",\"datePublished\":\"2018-06-14T08:31:05+00:00\",\"dateModified\":\"2022-11-15T13:31:42+00:00\",\"description\":\"Impulse of left ventricular ejection is the rate of change of central arterial pressure with respect to time (dP\\\/dt). 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