{"id":12807,"date":"2014-07-28T10:09:20","date_gmt":"2014-07-28T10:09:20","guid":{"rendered":"http:\/\/cardiophile.org\/?p=12807"},"modified":"2014-07-28T10:09:20","modified_gmt":"2014-07-28T10:09:20","slug":"regular-cannon-waves-vs-prominent-v-waves-or-cv-waves-of-tr","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/regular-cannon-waves-vs-prominent-v-waves-or-cv-waves-of-tr\/","title":{"rendered":"Regular cannon waves vs prominent v waves or cv waves of TR"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nOKDJ2lD3fI\" 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;\">Differentiation of regular cannon waves from prominent v waves or cv waves of&nbsp;TR<\/span><\/h2>\n<p>Regular cannon waves (RCW): Cannon waves have the characteristics of a wave and are seen as flicking waves, while v waves have a surging nature. Cannon waves occur during atrial systole and have a shorter duration than the v wave of tricuspid regurgitation which occurs during ventricular systole.<\/p>\n<p><strong><span style=\"color: #0000ff;\">Conditions causing RCW<\/span><\/strong><\/p>\n<ol>\n<li>Junctional tachycardia<\/li>\n<li>Ventricular tachycardia with 1:1 retrograde conduction<\/li>\n<li>Sinus tachycardia with first degree AV block so that atrial contraction occurs before the end of previous ventricular systole<\/li>\n<\/ol>\n<p>An interesting case has been documented by Mangalachulli Pottammal Ranjith, Kayakkal Shajudeen, Sankaran Prasanth [1]. Their patient had dilated cardiomyopathy and was admitted with progressive dizziness and worsening dyspnea. ECG showed accelerated junctional rhythm with complete left bundle branch block pattern with prolongation of corrected QT interval. Video recordings of the regular jugular waves were obtained. Prominent a wave reversal was documented on pulmonary venous Doppler echocardiography. He had hypokalemia and hyponatremia at presentation, with serum potassium at 2.6 mEq\/L and serum sodium at 122 mEq\/L. Serum magnesium was 1.7 mEq\/L. He reverted to sinus rhythm after correction of dyselectrolytemia.<\/p>\n<p><span style=\"color: #0000ff;\"><strong>Reference<\/strong><\/span><\/p>\n<ol>\n<li>Mangalachulli Pottammal Ranjith, Kayakkal Shajudeen, Sankaran Prasanth. <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC5067384\/\">Regular Cannon Wave<\/a>. Indian Heart J. 2016 Sep;68 Suppl 2(Suppl 2):S291-S293.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Differentiation of regular cannon waves from prominent v waves or cv waves of&nbsp;TR Regular cannon waves (RCW): Cannon waves have the characteristics of a wave and are seen as flicking waves, while v waves have a surging nature. Cannon waves occur during atrial systole and have a shorter duration than the v wave of tricuspid [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":34044,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[9],"tags":[67,611,1013,1014,1512,3064,3272,4105,4106],"class_list":["post-12807","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general","tag-a-wave","tag-cannon-waves-occur-during-atrial-systole","tag-cv-waves","tag-cv-waves-of-tricuspid-regurgitation","tag-flicking-waves","tag-prominent-v-waves","tag-regular-cannon-waves","tag-v-wave-of-tricuspid-regurgitation-occur-during-ventricular-systole","tag-v-waves-have-a-surging-nature"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Regular cannon waves vs prominent v waves or cv waves of TR - All About Cardiovascular System and Disorders<\/title>\n<meta name=\"description\" content=\"Cannon waves have the characteristics of a wave and are seen as flicking waves, while v waves have a surging nature. Cannon waves have a shorter duration.\" \/>\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\/regular-cannon-waves-vs-prominent-v-waves-or-cv-waves-of-tr\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Regular cannon waves vs prominent v waves or cv waves of TR - All About Cardiovascular System and Disorders\" \/>\n<meta property=\"og:description\" content=\"Cannon waves have the characteristics of a wave and are seen as flicking waves, while v waves have a surging nature. Cannon waves have a shorter duration.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/professional\/regular-cannon-waves-vs-prominent-v-waves-or-cv-waves-of-tr\/\" \/>\n<meta property=\"og:site_name\" content=\"All About Cardiovascular System and Disorders\" \/>\n<meta property=\"article:published_time\" content=\"2014-07-28T10:09:20+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\\\/regular-cannon-waves-vs-prominent-v-waves-or-cv-waves-of-tr\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/regular-cannon-waves-vs-prominent-v-waves-or-cv-waves-of-tr\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"headline\":\"Regular cannon waves vs prominent v waves or cv waves of TR\",\"datePublished\":\"2014-07-28T10:09:20+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/regular-cannon-waves-vs-prominent-v-waves-or-cv-waves-of-tr\\\/\"},\"wordCount\":222,\"publisher\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/regular-cannon-waves-vs-prominent-v-waves-or-cv-waves-of-tr\\\/#primaryimage\"},\"thumbnailUrl\":\"\",\"keywords\":[\"a wave\",\"Cannon waves occur during atrial systole\",\"cv waves\",\"cv waves of tricuspid regurgitation\",\"flicking waves\",\"prominent v waves\",\"regular cannon waves\",\"v wave of tricuspid regurgitation occur during ventricular systole\",\"v waves have a surging nature\"],\"articleSection\":[\"General Cardiology\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/regular-cannon-waves-vs-prominent-v-waves-or-cv-waves-of-tr\\\/\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/regular-cannon-waves-vs-prominent-v-waves-or-cv-waves-of-tr\\\/\",\"name\":\"Regular cannon waves vs prominent v waves or cv waves of TR - All About Cardiovascular System and Disorders\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/regular-cannon-waves-vs-prominent-v-waves-or-cv-waves-of-tr\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/regular-cannon-waves-vs-prominent-v-waves-or-cv-waves-of-tr\\\/#primaryimage\"},\"thumbnailUrl\":\"\",\"datePublished\":\"2014-07-28T10:09:20+00:00\",\"description\":\"Cannon waves have the characteristics of a wave and are seen as flicking waves, while v waves have a surging nature. 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