• Sohil Pothiawala.
• Department of Emergency Medicine, Singapore General Hospital, Singapore.
• J Emerg Med. 2013 Jan 1;44(1):92-5.

BackgroundSpontaneous coronary artery dissection (SCAD) is an extremely rare cause of acute coronary syndrome (ACS). Patients may present with a broad spectrum of clinical scenarios, ranging from angina pectoris to myocardial infarction, cardiogenic shock, and sudden death. Standard therapy has not been established; current treatments range from conservative management to percutaneous revascularization or coronary artery bypass surgery.ObjectiveSCAD greatly mimics ACS, and this diagnosis should be considered when evaluating young patients who present with ACS with or without classical risk factors for coronary artery disease.Case ReportWe report a case of a 45-year old man who presented with chest pain typical of ACS. He had no risk factors except for a smoking history of 2.5 pack-years. Once the clinical findings suggested acute inferolateral myocardial infarction, the patient underwent emergent cardiac catheterization, which revealed left anterior descending coronary artery dissection. This in itself is not a common cause of inferolateral ST elevation changes on electrocardiogram.ConclusionThis case highlights the fact that although SCAD is a rare entity, it is increasingly being recognized as a significant cause of ACS. Urgent angiography should be considered if SCAD is suspected, because early diagnosis and appropriate management significantly improve the outcome in these patients.Copyright © 2013 Elsevier Inc. All rights reserved.

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