{"id":12919,"date":"2014-07-28T16:25:50","date_gmt":"2014-07-28T16:25:50","guid":{"rendered":"http:\/\/cardiophile.org\/?p=12919"},"modified":"2022-11-23T17:16:59","modified_gmt":"2022-11-23T11:46:59","slug":"mechanism-of-phasic-ejection-click-in-valvar-pulmonary-stenosis","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/mechanism-of-phasic-ejection-click-in-valvar-pulmonary-stenosis\/","title":{"rendered":"Mechanism of phasic ejection click in valvar pulmonary stenosis"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/kEMqTsJtEyA\" 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;\">What is the mechanism of phasic ejection click in valvar pulmonary stenosis?<\/span><\/h2>\n<p>During inspiration the systemic venous return increases and enhances the right ventricular filling. This elevates the right ventricular end diastolic pressure causing a cephalad excursion of the pulmonary valve at the end of diastole. Hence the opening movement during systole is less as the valve is already partially domed at the end of diastole. In expiration the right ventricular end diastolic pressures are lower and presystolic doming of pulmonary valve does not occur. Hence the systolic excursion of pulmonary valve is more in systole and produces a prominent click. The click is nearer to first heart sound in inspiration, apparently fusing with it and moves away from the first heart sound in expiration.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mechanism of phasic ejection click in valvar pulmonary stenosis is due to late diastolic pre opening of pulmonary valve in inspiration.<\/p>\n","protected":false},"author":1,"featured_media":33787,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[9],"tags":[2883,2884,3000],"class_list":["post-12919","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general","tag-phasic-ejection-click","tag-phasic-ejection-click-in-valvar-pulmonary-stenosis","tag-presystolic-doming-of-pulmonary-valve"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mechanism of phasic ejection click in valvar pulmonary stenosis<\/title>\n<meta name=\"description\" content=\"Mechanism of phasic ejection click in valvar pulmonary stenosis is due to late diastolic pre opening of pulmonary valve in inspiration.\" \/>\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\/phasic-ejection-click\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mechanism of phasic ejection click in valvar pulmonary stenosis\" \/>\n<meta property=\"og:description\" content=\"Mechanism of phasic ejection click in valvar pulmonary stenosis is due to late diastolic pre opening of pulmonary valve in inspiration.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/professional\/phasic-ejection-click\/\" \/>\n<meta property=\"og:site_name\" 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