Labels:text | screenshot | font | diagram OCR: Resident and Staff Physician Patient Education Chart Posterobasal Myocardial Infarction Posterior Infarcts (Infarcts on the back surface of the heart) Posterobasal Infarct: Caused by occlusion of the circumflex branch of the left coronary artery (due to variations of vessel distributions). Reprinted with permission from Resident and Staff Physician (c) 1991-92, 1993 by Romaine Pierson Publishers, Inc.