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