{"id":3715,"date":"2010-01-23T12:46:00","date_gmt":"2010-01-23T12:46:00","guid":{"rendered":"http:\/\/cardiophile.org\/?p=3715"},"modified":"2023-04-11T20:44:18","modified_gmt":"2023-04-11T15:14:18","slug":"ventricular-and-supraventricular-ectopic-beats","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/ventricular-and-supraventricular-ectopic-beats\/","title":{"rendered":"Ventricular and supraventricular ectopic beats"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/OnSPEwRUpH0\" 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;\">Ventricular and supraventricular ectopic beats<\/span><\/h2>\n<p>Isolated ventricular and supraventricular ectopic beats are quite common.&nbsp;Ventricular ectopic beats are recognized as wide bizarre QRS complexes which occur prematurely and are not usually preceded by a P wave. Sometimes a late diastolic ventricular ectopic can occur just after the P wave. If ventricular ectopics are very frequent or occur very prematurely so as to fall on the T wave of the previous beat, they can lead on to ventricular tachycardia or fibrillation. Isolated ventricular ectopic beats without any associated structural heart disease are usually left alone.<\/p>\n<p>In the ECG shown here, ventricular premature complexes are occurring in a bigeminal pattern with each sinus beat followed by a VPC. When there are multiple VPC, they can be <em>monomorphic, <\/em>of same morphology or <em>polymorphic, <\/em>different morphologies. Monomorphic VPCs usually originate from same focus, <em>unifocal VPC<\/em>, while polymorphic VPCs may be originating from multiple foci, <em>multifocal VPC<\/em>. Rarely, different morphologies can be due to change in the conduction sequence of unifocal VPCs.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-31709 size-full\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2010\/01\/monomorphic-VPC1.jpg\" alt=\"\" width=\"1755\" height=\"676\"><\/p>\n<p style=\"text-align: center;\"><em>Isolated ventricular ectopics in bigeminy<\/em><\/p>\n<p>Supraventricular ectopics are premature narrow QRS beats resembling the sinus beats. The P waves have a different morphology compared to the sinus beats or may be absent in case of junctional ectopics. P waves of supraventricular complexes may not always be visible as some of them may be overlapping a T wave. Supraventricular ectopy may indicate atrial dilatation as in left ventricular dysfunction and is a reason to suspect the latter in those with structural heart disease.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-31710 size-full\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2010\/01\/svpc1.jpg\" alt=\"\" width=\"2200\" height=\"675\"><\/p>\n<p style=\"text-align: center;\"><em>Isolated supraventricular ectopics<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ventricular ectopic beats are recognized as wide bizarre QRS complexes which occur prematurely and are not usually preceded by a P wave.<\/p>\n","protected":false},"author":1,"featured_media":59104,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[6],"tags":[3804,4155,4207],"class_list":["post-3715","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ecg-electrophysiology","tag-svpc","tag-ventricular-bigeminy","tag-vpc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ventricular and supraventricular ectopic beats - wide and narrow QRS<\/title>\n<meta name=\"description\" content=\"Ventricular and supraventricular ectopic beats differentiated primarily by the width of QRS. 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