{"id":5336,"date":"2011-03-24T01:19:54","date_gmt":"2011-03-24T05:19:54","guid":{"rendered":"http:\/\/insidesurgery.com\/?p=5336"},"modified":"2013-05-27T01:12:35","modified_gmt":"2013-05-27T05:12:35","slug":"ecg-findings-left-bundle-branch-block","status":"publish","type":"post","link":"https:\/\/insidesurgery.com\/2011\/03\/ecg-findings-left-bundle-branch-block\/","title":{"rendered":"ECG Findings in Left Bundle Branch Block"},"content":{"rendered":"
Left bundle branch blocks (LBBB) are a common finding on ECG’s particularly in the ER and ICU. New onset of a LBBB can herald underlying ischemia or infarct. Some ECG findings indicative of LBBB are:<\/p>\n
1. QRS wave greater than 0.12 sec
\n2. Broad R wave in leads I, V5, and\/or V6
\n3. Absence of Q wave in leads I, V5, and\/or V6
\n4. ST segment depressions in leads V4, V5, and\/or V6
\n5. Delayed onset of R wave peak time in leads V5 and V6<\/p>\n","protected":false},"excerpt":{"rendered":"
Left bundle branch blocks (LBBB) are a common finding on ECG’s particularly in the ER and ICU. New onset of a LBBB can herald underlying ischemia or infarct. Some ECG findings indicative of LBBB are: 1. QRS wave greater than 0.12 sec 2. Broad R wave in leads I, V5, and\/or V6 3. Absence of […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[5080,13],"tags":[4222,4220,4221,4224,4223],"yoast_head":"\n