{"id":10467,"date":"2014-12-21T04:19:23","date_gmt":"2014-12-21T04:19:23","guid":{"rendered":"http:\/\/cardiophile.org\/?p=8004"},"modified":"2023-01-08T14:21:46","modified_gmt":"2023-01-08T08:51:46","slug":"ecg-quiz","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/ecg-quiz\/","title":{"rendered":"ECG Quiz"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/-qsm1vQiE2w\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen=\"\"><\/iframe><\/p>\n<h3>ECG Quiz<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-57995 size-full\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2014\/12\/Low-atrial-rhythm-and-IVCD.png\" alt=\"\" width=\"1383\" height=\"675\" srcset=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2014\/12\/Low-atrial-rhythm-and-IVCD.png 1383w, https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2014\/12\/Low-atrial-rhythm-and-IVCD-300x146.png 300w, https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2014\/12\/Low-atrial-rhythm-and-IVCD-1024x500.png 1024w, https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2014\/12\/Low-atrial-rhythm-and-IVCD-768x375.png 768w\" sizes=\"auto, (max-width: 1383px) 100vw, 1383px\" \/><\/h3>\n<p><strong>What is the rhythm?<\/strong><br \/>\na) Sinus rhythm<br \/>\nb) Low atrial rhythm<br \/>\nc) Idioventricular rhythm<br \/>\nd) None of the above<br \/>\n<strong>Answer: b) Low atrial rhythm<\/strong><br \/>\nECG showing negative P waves in inferior leads \u2013 II, III and aVF. A superior P wave axis means that the atrial activation is proceeding from below upwards. This occurs when the focus is in the low atrium &#8211; low atrial rhythm or coronary sinus rhythm. Low atrial rhythm can occur in sinus venosus ASD as the region of the sinus node is defective and an ectopic atrial focus takes over.<\/p>\n<p>In addition the ECG also shows an intraventricular conduction defect in the form of notched R wave in leads II and aVF and an rSR\u2019 pattern in lead III. Sometimes this pattern occurs in atrial septal defect and it is known as crochetage sign. The QRS width seems to be a little more than that in usual crochetage sign.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ECG Quiz <\/p>\n","protected":false},"author":1,"featured_media":57995,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[5],"tags":[],"class_list":["post-10467","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","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 - All About Cardiovascular System and Disorders<\/title>\n<meta name=\"description\" content=\"ECG Quiz\" \/>\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\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ECG Quiz - 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