{"id":22128,"date":"2017-08-31T17:41:52","date_gmt":"2017-08-31T12:11:52","guid":{"rendered":"https:\/\/cardiophile.org\/?p=22128"},"modified":"2024-02-04T19:02:49","modified_gmt":"2024-02-04T13:32:49","slug":"ecg-quiz-11-answer","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/ecg-quiz-11-answer\/","title":{"rendered":"ECG Quiz 11 &#8211; Answer"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-22117\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2017\/08\/ECG2.jpg\" alt=\"\" width=\"1000\" height=\"491\" \/><\/p>\n<h3><strong><span style=\"color: #008000;\">ECG Quiz 11: Correct answer:\u00a0<\/span><\/strong><\/h3>\n<p>c) Single chamber pacing<\/p>\n<p>ECG shows a wide QRS rhythm at 60\/min. Each QRS complex is preceded by a pacing spike. So it is a ventricular paced rhythm. Intermittent P waves are seen with totally varying PR interval, suggesting AV dissociation. So it is a single chamber ventricular pacing without any atrial sensing. Lead I and aVL shows left bundle branch block pattern and there is left axis deviation with negative QRS complexes in inferior leads II, III and aVF. This suggests pacing from right ventricular apex.<\/p>\n<p><strong><a href=\"\/professional\/ecg-quiz-11\/\">Back to question<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ECG Quiz 11: Correct answer:\u00a0 c) Single chamber pacing ECG shows a wide QRS rhythm at 60\/min. Each QRS complex is preceded by a pacing spike. So it is a ventricular paced rhythm. Intermittent P waves are seen with totally varying PR interval, suggesting AV dissociation. So it is a single chamber ventricular pacing without [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":62527,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[3,5],"tags":[],"class_list":["post-22128","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cardiology-mcq","category-dm-dnb-cardiology-entrance"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ECG Quiz 11 - Answer - 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-11-answer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ECG Quiz 11 - Answer - All About Cardiovascular System and Disorders\" \/>\n<meta property=\"og:description\" content=\"ECG Quiz 11: Correct answer:\u00a0 c) Single chamber pacing ECG shows a wide QRS rhythm at 60\/min. Each QRS complex is preceded by a pacing spike. So it is a ventricular paced rhythm. Intermittent P waves are seen with totally varying PR interval, suggesting AV dissociation. So it is a single chamber ventricular pacing without [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/professional\/ecg-quiz-11-answer\/\" \/>\n<meta property=\"og:site_name\" content=\"All About Cardiovascular System and Disorders\" \/>\n<meta property=\"article:published_time\" content=\"2017-08-31T12:11:52+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-02-04T13:32:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2017\/08\/ECG2-2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1375\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\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<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/ecg-quiz-11-answer\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/ecg-quiz-11-answer\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/professional\\\/#\\\/schema\\\/person\\\/5441d907049b914770f4bd98fb57feec\"},\"headline\":\"ECG Quiz 11 &#8211; 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