{"id":538,"date":"2016-04-17T00:01:39","date_gmt":"2016-04-17T00:01:39","guid":{"rendered":"http:\/\/torreyekg.com\/?p=538"},"modified":"2016-04-05T03:50:16","modified_gmt":"2016-04-05T03:50:16","slug":"ekg-of-the-week-28","status":"publish","type":"post","link":"http:\/\/torreyekg.com\/index.php\/2016\/04\/17\/ekg-of-the-week-28\/","title":{"rendered":"EKG of the Week #28"},"content":{"rendered":"<p><a href=\"http:\/\/torreyekg.com\/wp-content\/uploads\/2016\/04\/28.png\" rel=\"attachment wp-att-539\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-539\" src=\"http:\/\/torreyekg.com\/wp-content\/uploads\/2016\/04\/28.png\" alt=\"28\" width=\"648\" height=\"368\" srcset=\"http:\/\/torreyekg.com\/wp-content\/uploads\/2016\/04\/28.png 648w, http:\/\/torreyekg.com\/wp-content\/uploads\/2016\/04\/28-300x170.png 300w\" sizes=\"auto, (max-width: 648px) 100vw, 648px\" \/><\/a><br \/>\nWhat is the rhythm?<br \/>\n<div class=\"spoiler-wrap\"><div class=\"spoiler-head collapsed\" title=\"Expand\">Answer &amp; Explanation<\/div><div class=\"spoiler-body\" style=\"display: none;\"><br \/>\nA bradycardic rhythm at 36\/minute with P\u2019s before each QRS and another P wave following the QRS that does not conduct. There is also a wide QRS complex consistent with a LBBB.\n<p>This rhythm is either 2:1 AV block (a 2\u00b0 AV block of undetermined type) or atrial bigeminy with blocked PACs. If this is 2:1 AV block, the P waves should be regular\u2026and they are not in this tracing! This is a notorious and well-described masquerader of high-grade AV block. Remember Dr. Marriott\u2019s recommendation \u201ccherchez la P.\u201d<\/p>\n<p><a href=\"http:\/\/torreyekg.com\/wp-content\/uploads\/2016\/04\/281.png\" rel=\"attachment wp-att-540\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-540\" src=\"http:\/\/torreyekg.com\/wp-content\/uploads\/2016\/04\/281.png\" alt=\"281\" width=\"432\" height=\"43\" srcset=\"http:\/\/torreyekg.com\/wp-content\/uploads\/2016\/04\/281.png 432w, http:\/\/torreyekg.com\/wp-content\/uploads\/2016\/04\/281-300x30.png 300w\" sizes=\"auto, (max-width: 432px) 100vw, 432px\" \/><\/a><br \/>\nCompare this week\u2019s EKG rhythm strip<\/p>\n<p><a href=\"http:\/\/torreyekg.com\/wp-content\/uploads\/2016\/04\/282.png\" rel=\"attachment wp-att-541\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-541\" src=\"http:\/\/torreyekg.com\/wp-content\/uploads\/2016\/04\/282.png\" alt=\"282\" width=\"432\" height=\"48\" srcset=\"http:\/\/torreyekg.com\/wp-content\/uploads\/2016\/04\/282.png 432w, http:\/\/torreyekg.com\/wp-content\/uploads\/2016\/04\/282-300x33.png 300w\" sizes=\"auto, (max-width: 432px) 100vw, 432px\" \/><\/a><br \/>\n\u2026with a similar appearing rhythm that does have regular P waves, and therefore is likely 2:1 AV block<\/p>\n<p><\/p><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is the rhythm?<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-538","post","type-post","status-publish","format-standard","hentry","category-ekg-of-the-week"],"_links":{"self":[{"href":"http:\/\/torreyekg.com\/index.php\/wp-json\/wp\/v2\/posts\/538","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/torreyekg.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/torreyekg.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/torreyekg.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/torreyekg.com\/index.php\/wp-json\/wp\/v2\/comments?post=538"}],"version-history":[{"count":1,"href":"http:\/\/torreyekg.com\/index.php\/wp-json\/wp\/v2\/posts\/538\/revisions"}],"predecessor-version":[{"id":542,"href":"http:\/\/torreyekg.com\/index.php\/wp-json\/wp\/v2\/posts\/538\/revisions\/542"}],"wp:attachment":[{"href":"http:\/\/torreyekg.com\/index.php\/wp-json\/wp\/v2\/media?parent=538"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/torreyekg.com\/index.php\/wp-json\/wp\/v2\/categories?post=538"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/torreyekg.com\/index.php\/wp-json\/wp\/v2\/tags?post=538"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}