{"id":1103,"date":"2009-03-30T03:03:28","date_gmt":"2009-03-30T03:03:28","guid":{"rendered":"http:\/\/cardiophile.org\/?p=1103"},"modified":"2023-12-30T12:35:48","modified_gmt":"2023-12-30T07:05:48","slug":"diastolic-left-ventricular-function","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/diastolic-left-ventricular-function\/","title":{"rendered":"Diastolic left ventricular function"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/LJsZII180EI?si=auu15XgTpD6a9tEY\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/p>\n<h2><span style=\"color: #008000;\">Diastolic left ventricular function<\/span><\/h2>\n<p>Clinical diastole is from the point of aortic valve closure to the point of mitral valve closure. But actual relaxation of the ventricle starts prior to that.<\/p>\n<p style=\"font-weight: normal; margin-bottom: 0in;\" align=\"left\">Diastole is both passive as well as an active process and needs adenosine triphosphate for:<\/p>\n<ol>\n<li style=\"font-weight: normal;\">Release of calcium from Troponin C<\/li>\n<li><span style=\"font-size: inherit;\">Reuptake of calcium into sarcoplasmic reticulum by Sarco\/Endoplasmic Reticulum Ca2+ ATPase (SERCA)<\/span><\/li>\n<li><span style=\"font-size: inherit;\">Extrusion of calcium from cytoplasm<\/span><\/li>\n<\/ol>\n<p style=\"font-weight: normal; margin-bottom: 0in;\" align=\"left\">Diastolic relaxation property is known as lusitropy<\/p>\n<p style=\"font-weight: normal; margin-bottom: 0in;\" align=\"left\">Diastole has four components:<\/p>\n<ol>\n<li style=\"font-weight: normal;\">Isovolumic relaxation<\/li>\n<li style=\"font-weight: normal;\">Rapid filling<\/li>\n<li style=\"font-weight: normal;\">Slow filling or diastasis<\/li>\n<li style=\"font-weight: normal;\">Atrial contraction<\/li>\n<\/ol>\n<p style=\"font-weight: normal; margin-bottom: 0in;\" align=\"left\">Atrial kick accounts for 20% of ventricular filling in normal individuals, but is increased in diastolic dysfunction, but seldom above 50%.\u00a0If the ventricle can accommodate an extra preload without increasing the filling pressures, the diastolic function is good.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Diastolic left ventricular function: Diastolic relaxation property is known as lusitropy.<\/p>\n","protected":false},"author":1,"featured_media":37774,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[9],"tags":[],"class_list":["post-1103","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 - 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