{"id":326,"date":"2015-11-09T23:11:19","date_gmt":"2015-11-09T23:11:19","guid":{"rendered":"http:\/\/torreyekg.com\/?p=326"},"modified":"2015-11-09T23:13:12","modified_gmt":"2015-11-09T23:13:12","slug":"ekg-of-the-week-9","status":"publish","type":"post","link":"http:\/\/torreyekg.com\/index.php\/2015\/11\/09\/ekg-of-the-week-9\/","title":{"rendered":"EKG of the Week #9"},"content":{"rendered":"<p><a href=\"http:\/\/torreyekg.com\/wp-content\/uploads\/2015\/11\/Screen-Shot-2015-11-09-at-6.07.29-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-327 size-full\" src=\"http:\/\/torreyekg.com\/wp-content\/uploads\/2015\/11\/Screen-Shot-2015-11-09-at-6.07.29-PM.png\" alt=\"Screen Shot 2015-11-09 at 6.07.29 PM\" width=\"646\" height=\"343\" srcset=\"http:\/\/torreyekg.com\/wp-content\/uploads\/2015\/11\/Screen-Shot-2015-11-09-at-6.07.29-PM.png 646w, http:\/\/torreyekg.com\/wp-content\/uploads\/2015\/11\/Screen-Shot-2015-11-09-at-6.07.29-PM-300x159.png 300w\" sizes=\"auto, (max-width: 646px) 100vw, 646px\" \/><\/a><\/p>\n<p>78-year-old woman with several episodes of syncope in church.<\/p>\n<div class=\"spoiler-wrap\"><div class=\"spoiler-head collapsed\" title=\"Expand\">Interpretation &amp; Explanation<\/div><div class=\"spoiler-body\" style=\"display: none;\"><br \/>\nLook closely at the rhythm strip \u2013 there are actually three separate (and unrelated) rhythms on this strip. There are P waves (\u2191) at 75\/minute, QRS complexes (\u25cf) at 25\/minute that are dissociated from the P waves, and pacer spikes (\u2193) at 70\/minute which neither capture nor sense. This is an example of <strong>pacemaker failure<\/strong> and underlying complete heart block (the reason this patient had a pacemaker in the first place).\n<p><a href=\"http:\/\/torreyekg.com\/wp-content\/uploads\/2015\/11\/Screen-Shot-2015-11-09-at-6.07.45-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-328 size-full\" src=\"http:\/\/torreyekg.com\/wp-content\/uploads\/2015\/11\/Screen-Shot-2015-11-09-at-6.07.45-PM.png\" alt=\"Screen Shot 2015-11-09 at 6.07.45 PM\" width=\"513\" height=\"83\" srcset=\"http:\/\/torreyekg.com\/wp-content\/uploads\/2015\/11\/Screen-Shot-2015-11-09-at-6.07.45-PM.png 513w, http:\/\/torreyekg.com\/wp-content\/uploads\/2015\/11\/Screen-Shot-2015-11-09-at-6.07.45-PM-300x49.png 300w\" sizes=\"auto, (max-width: 513px) 100vw, 513px\" \/><\/a><\/p>\n<p>This pacemaker had failed to generate sufficient energy to capture or sense normally \u2013 the battery needed to be changed!<br \/>\n<\/p><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>78-year-old woman with several episodes of syncope in church.<\/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-326","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\/326","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=326"}],"version-history":[{"count":2,"href":"http:\/\/torreyekg.com\/index.php\/wp-json\/wp\/v2\/posts\/326\/revisions"}],"predecessor-version":[{"id":330,"href":"http:\/\/torreyekg.com\/index.php\/wp-json\/wp\/v2\/posts\/326\/revisions\/330"}],"wp:attachment":[{"href":"http:\/\/torreyekg.com\/index.php\/wp-json\/wp\/v2\/media?parent=326"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/torreyekg.com\/index.php\/wp-json\/wp\/v2\/categories?post=326"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/torreyekg.com\/index.php\/wp-json\/wp\/v2\/tags?post=326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}