Coronary 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: 05/19/2008Larry A. Weinrauch, MD, Assistant Professor of Medicine, Harvard Medical School, and Private practice specializing in Cardiovascular Disease, Watertown, MA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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