OverviewCoronary artery spasm is a temporary constriction of an artery in the heart. The spasm can slow or stop blood flow through the artery. The main symptom experienced is chest pain.
Update Date 6/4/2012
Updated by: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and Michael A. Chen, MD, PhD, Assistant Professor of Medicine, Division of Cardiology, Harborview Medical Center, University of Washington Medical School, Seattle, Washington. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutiosn, Ebix, Inc.