{"id":30148,"date":"2019-12-24T00:38:26","date_gmt":"2019-12-24T00:38:26","guid":{"rendered":"https:\/\/johnsonfrancis.org\/professional\/?p=30148"},"modified":"2019-12-24T00:38:26","modified_gmt":"2019-12-24T00:38:26","slug":"ecg-quiz-61-discussion","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/ecg-quiz-61-discussion\/","title":{"rendered":"ECG Quiz 61 &#8211; Discussion"},"content":{"rendered":"<h2><span style=\"color: #008000;\">ECG Quiz 61 &#8211; Discussion<\/span><\/h2>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/tOwf9aKubQI\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"><\/iframe><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30149\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2019\/12\/Escape-capture-bigeminy.jpg\" alt=\"\" width=\"1200\" height=\"560\"><\/p>\n<p>Lead I and aVL shows wide notched QRS complexes suggestive of left bundle branch block. PR interval for the sinus beat is 200 ms, at the upper limit. Rhythm strip shows sinus bradycardia with junctional escape beats (<span style=\"color: #0000ff;\">blue arrow<\/span>) without preceding P waves, but same QRS morphology as the succeeding sinus beat (<span style=\"color: #ff00ff;\">violet arrow<\/span>). The sequence of junctional escape followed by a sinus capture beat continues throughout the rhythm strip. This constitutes an&nbsp;<em><strong><span style=\"color: #008000;\">escape &#8211; capture bigeminy<\/span><\/strong>.<\/em><\/p>\n<p>Other common varieties of bigeminy are:<\/p>\n<ol>\n<li>Ectopic bigeminy<\/li>\n<li>Block bigeminy<\/li>\n<li>Echo bigeminy<\/li>\n<\/ol>\n<p>Ectopic bigeminy sequence can be seen when sinus beat alternates with either a ventricular or supraventricular ectopic beat. Block bigeminy is seen in 3:2 sinoatrial or atrioventricular blocks. In echo bigeminy, the second beat is an echo beat.<\/p>\n<p><a href=\"https:\/\/johnsonfrancis.org\/professional\/ecg-quiz-61\/\"><strong>Back to ECG Quiz 61<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ECG Quiz 61 &#8211; Discussion Lead I and aVL shows wide notched QRS complexes suggestive of left bundle branch block. PR interval for the sinus beat is 200 ms, at the upper limit. Rhythm strip shows sinus bradycardia with junctional escape beats (blue arrow) without preceding P waves, but same QRS morphology as the succeeding [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":30149,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[6,7],"tags":[],"class_list":["post-30148","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 v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ECG Quiz 61 - Discussion - All About Cardiovascular System and Disorders<\/title>\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\/ecg-quiz-61-discussion\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ECG Quiz 61 - Discussion - All About Cardiovascular System and Disorders\" \/>\n<meta property=\"og:description\" content=\"ECG Quiz 61 &#8211; Discussion Lead I and aVL shows wide notched QRS complexes suggestive of left bundle branch block. PR interval for the sinus beat is 200 ms, at the upper limit. Rhythm strip shows sinus bradycardia with junctional escape beats (blue arrow) without preceding P waves, but same QRS morphology as the succeeding [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/professional\/ecg-quiz-61-discussion\/\" \/>\n<meta property=\"og:site_name\" content=\"All About Cardiovascular System and Disorders\" \/>\n<meta property=\"article:published_time\" content=\"2019-12-24T00:38:26+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\\\/ecg-quiz-61-discussion\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/ecg-quiz-61-discussion\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"headline\":\"ECG Quiz 61 &#8211; 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