RT Book, Section A1 Bashore, Thomas M. A1 Granger, Christopher B. A1 Jackson, Kevin P. A1 Patel, Manesh R. A2 Papadakis, Maxine A. A2 McPhee, Stephen J. A2 Rabow, Michael W. A2 McQuaid, Kenneth R. SR Print(0) ID 1184695551 T1 Coronary Vasospasm & Angina MI with Normal Coronary Arteriograms T2 Current Medical Diagnosis & Treatment 2022 YR 2022 FD 2022 PB McGraw-Hill Education PP New York, NY SN 9781264269389 LK accessmedicine.mhmedical.com/content.aspx?aid=1184695551 RD 2024/04/19 AB ESSENTIALS OF DIAGNOSISPrecordial chest pain, often occurring at rest during stress or without known precipitant, relieved rapidly by nitrates.ECG evidence of ischemia during pain, sometimes with ST-segment elevation.Angiographic demonstration of:– No significant obstruction of major coronary vessels.– Coronary spasm that responds to intracoronary nitroglycerin or calcium channel blockers.