{"id":9918,"date":"2009-10-30T14:26:31","date_gmt":"2009-10-30T14:26:31","guid":{"rendered":"http:\/\/cardiophile.org\/?p=3373"},"modified":"2009-10-30T14:26:31","modified_gmt":"2009-10-30T14:26:31","slug":"atrial-fibrillation-with-wpw-syndrome-2","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/atrial-fibrillation-with-wpw-syndrome-2\/","title":{"rendered":"Atrial fibrillation with WPW syndrome"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/DkHG7nG_ZFg\" 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;\">Atrial fibrillation with WPW syndrome<\/span><\/h2>\n<figure id=\"attachment_26905\" aria-describedby=\"caption-attachment-26905\" style=\"width: 1005px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-26905\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2009\/10\/af-with-wpw.jpg\" alt=\"Atrial fibrillation with WPW syndrome\" width=\"1005\" height=\"522\"><figcaption id=\"caption-attachment-26905\" class=\"wp-caption-text\">Atrial fibrillation with WPW syndrome<\/figcaption><\/figure>\n<p>Atrial fibrillation with WPW syndrome (pre-excitation) is a potentially life threatening arrhythmia. Since it is a wide QRS tachycardia, it is often mistaken for ventricular tachycardia. Due to very fast rates, they often present with hemodynamic compromise requiring cardioversion. In the current strip, a small portion in aVR shows presumably sinus rhythm with pre-excitation. The QRS in general is wide and bizarre. The shortest RR interval gives an estimate of the ventricular refractory period. If it is below 250 msec, it is ominous as the ventricular rates can go very high and it can degenerate into ventricular fibrillation. The arrhythmia also responds to intravenous amiodarone, which can be considered if there is no hemodynamic compromise. Either way radiofrequency catheter ablation has to considered as an elective treatment to prevent recurrence. The ECG after cardioversion (below) shows WPW syndrome (short PR interval and delta waves) with sinus bradycardia.<\/p>\n<figure id=\"attachment_26906\" aria-describedby=\"caption-attachment-26906\" style=\"width: 1196px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-26906\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2009\/10\/wpw-syndrome-with-sinus-bradycardia.jpg\" alt=\"WPW syndrome with sinus bradycardia\" width=\"1196\" height=\"421\"><figcaption id=\"caption-attachment-26906\" class=\"wp-caption-text\">WPW syndrome with sinus bradycardia<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Atrial fibrillation with WPW syndrome is a potentially life threatening arrhythmia. Being a wide QRS tachycardia, it is often mistaken for VT. <\/p>\n","protected":false},"author":1,"featured_media":45563,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[6,7],"tags":[],"class_list":["post-9918","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ecg-electrophysiology","category-ecg-library"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Atrial fibrillation with WPW syndrome<\/title>\n<meta name=\"description\" content=\"Atrial fibrillation with WPW syndrome is a potentially life threatening arrhythmia. Being a wide QRS tachycardia, it is often mistaken for VT.\" \/>\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\/atrial-fibrillation-with-wpw-syndrome-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Atrial fibrillation with WPW syndrome\" \/>\n<meta property=\"og:description\" content=\"Atrial fibrillation with WPW syndrome is a potentially life threatening arrhythmia. Being a wide QRS tachycardia, it is often mistaken for VT.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/professional\/atrial-fibrillation-with-wpw-syndrome-2\/\" \/>\n<meta property=\"og:site_name\" content=\"All About Cardiovascular System and Disorders\" \/>\n<meta property=\"article:published_time\" content=\"2009-10-30T14:26:31+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=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/atrial-fibrillation-with-wpw-syndrome-2\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/atrial-fibrillation-with-wpw-syndrome-2\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"headline\":\"Atrial fibrillation with WPW syndrome\",\"datePublished\":\"2009-10-30T14:26:31+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/atrial-fibrillation-with-wpw-syndrome-2\\\/\"},\"wordCount\":180,\"publisher\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/atrial-fibrillation-with-wpw-syndrome-2\\\/#primaryimage\"},\"thumbnailUrl\":\"\",\"articleSection\":[\"ECG \\\/ Electrophysiology\",\"ECG Library\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/atrial-fibrillation-with-wpw-syndrome-2\\\/\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/atrial-fibrillation-with-wpw-syndrome-2\\\/\",\"name\":\"Atrial fibrillation with WPW syndrome\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/atrial-fibrillation-with-wpw-syndrome-2\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/atrial-fibrillation-with-wpw-syndrome-2\\\/#primaryimage\"},\"thumbnailUrl\":\"\",\"datePublished\":\"2009-10-30T14:26:31+00:00\",\"description\":\"Atrial fibrillation with WPW syndrome is a potentially life threatening arrhythmia. 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