{"id":426,"date":"2013-02-08T17:41:52","date_gmt":"2013-02-08T22:41:52","guid":{"rendered":"http:\/\/www.electricant.net\/ekg\/?p=426"},"modified":"2013-04-20T23:07:39","modified_gmt":"2013-04-21T04:07:39","slug":"strip-40","status":"publish","type":"post","link":"https:\/\/www.electricant.net\/ekg\/strip-40\/","title":{"rendered":"Strip 40"},"content":{"rendered":"<h1>sinus rhythm<\/h1>\n<p><a class=\"MagicZoomPlus\" href=\"http:\/\/electricant.net\/ekg\/striptease\/strip40.jpg\"><br \/>\n<img decoding=\"async\" alt=\"\" src=\"http:\/\/electricant.net\/ekg\/striptease\/thumb600\/strip40.jpg\" \/><\/a><\/p>\n<p><strong>First Glance:<\/strong><\/p>\n<p>From across the room it looks like a huge mess of artifact.<\/p>\n<p><strong>Discussion:<\/strong><\/p>\n<p>Let&#8217;s say you&#8217;re called to the bed for a rapid response. Your patient is unconscious. You look at the monitor and it looks like this. The tele monitor is screaming &#8220;VF! VF!&#8221;.<\/p>\n<p>The RN hands you the paddles. Do you shock them?<\/p>\n<p>Nope. You could look closely at the choppy EKG lead and see there is probably some regular spiky stuff tracking through consistent with QRS complexes on top of a movement or loose lead artifact, but why guess? What tells you this patient is NOT in VF right now?<\/p>\n<p>Look at that beautiful lower trace. That &#8216;pleth&#8217; is the Sp02 trace, and here it is clearly pulsatile. Pulsatile blood all the way out in the capillary beds where the pulse ox probe is <em>definitely<\/em> rules out VF, and suggests a pretty decent BP all things considered. Even if you don&#8217;t trust the number, you can&#8217;t fake a Sp02 waveform like this. This person has a pulse. Period. Whether or not you can feel it with your shaking hands.<\/p>\n<p>Here is the rest of the strip. When the artifact cools off we can see lovely chubby P waves. Clearly sinus.<br \/>\n<a class=\"MagicZoomPlus\" href=\"http:\/\/electricant.net\/ekg\/striptease\/strip40a.jpg\"><br \/>\n<img decoding=\"async\" alt=\"\" src=\"http:\/\/electricant.net\/ekg\/striptease\/thumb600\/strip40a.jpg\" \/><\/a><\/p>\n<p><strong>Final Impression?<\/strong><\/p>\n<p>Sinus rhythm @ ~80 bpm<\/p>\n<p><strong>Management implications:<\/strong><\/p>\n<p>don&#8217;t shock her.<\/p>\n<p><strong>\u00a0The Take-home Point:<\/strong><\/p>\n<p>The pulse ox waveform definitively proves a pulse, and implies a systolic pressure sufficient to perfuse the brain in most patients. It isn&#8217;t useful in most code situations because most code patients do not have sufficient peripheral perfusion for the oximeter to actually read whether there is a pulse or not, or there is too much movement artifact to get a clean SpO2 trace, but at least it can &#8216;rule-in&#8217; a pulse in some patients.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><em id=\"__mceDel\"><a href=\"http:\/\/www.electricant.net\/ekg\/wp-content\/uploads\/2013\/01\/1purple_star.jpg\"><img loading=\"lazy\" decoding=\"async\" alt=\"1purple_star\" src=\"http:\/\/www.electricant.net\/ekg\/wp-content\/uploads\/2013\/01\/1purple_star.jpg\" width=\"18\" height=\"18\" \/><\/a>One star strip. Students should identify the rhythm correctly.<\/em><\/p>\n<h1>&#8212;&gt; see the <a title=\"Next Strip\" href=\"http:\/\/www.electricant.net\/ekg\/striptease\/strip41.htm\">next strip<\/a><\/h1>\n","protected":false},"excerpt":{"rendered":"<p>sinus rhythm First Glance: From across the room it looks like a huge mess of artifact. Discussion: Let&#8217;s say you&#8217;re called to the bed for a rapid response. Your patient is unconscious. You look at the monitor and it looks like this. The tele monitor is screaming &#8220;VF! VF!&#8221;. The RN hands you the paddles. &#8230;<a class=\"post-readmore\" href=\"https:\/\/www.electricant.net\/ekg\/strip-40\/\">read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[4],"class_list":["post-426","post","type-post","status-publish","format-standard","hentry","category-cases","tag-1star"],"_links":{"self":[{"href":"https:\/\/www.electricant.net\/ekg\/wp-json\/wp\/v2\/posts\/426","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.electricant.net\/ekg\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.electricant.net\/ekg\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.electricant.net\/ekg\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.electricant.net\/ekg\/wp-json\/wp\/v2\/comments?post=426"}],"version-history":[{"count":7,"href":"https:\/\/www.electricant.net\/ekg\/wp-json\/wp\/v2\/posts\/426\/revisions"}],"predecessor-version":[{"id":428,"href":"https:\/\/www.electricant.net\/ekg\/wp-json\/wp\/v2\/posts\/426\/revisions\/428"}],"wp:attachment":[{"href":"https:\/\/www.electricant.net\/ekg\/wp-json\/wp\/v2\/media?parent=426"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.electricant.net\/ekg\/wp-json\/wp\/v2\/categories?post=426"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.electricant.net\/ekg\/wp-json\/wp\/v2\/tags?post=426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}