Volume 79, Issue 4, Pages 449-453 (April 1981) Coronary Artery Spasm Richard K. Mautner, M.D., F.C.C.P., Guy E. Katz, B.S., Bruce J. Iteld, M.D., F.C.C.P., John H. Phillips, M.D., F.C.C.P. CHEST Volume 79, Issue 4, Pages 449-453 (April 1981) DOI: 10.1378/chest.79.4.449 Copyright © 1981 The American College of Chest Physicians Terms and Conditions
Figure 1 A. Patient 1. Baseline ECG recorded from monitor lead 2. B. Electrocardiograms after intravenous injection of 0.30 mg of ergonovine maleate. C. ECG after administration of two 1/150-gr nitroglycerin tablets. Note marked ST segment elevation in B during which time patient experienced chest pain. Peaked T waves and persistent ST elevation returned to baseline on follow-up ECGs (tracings retouched). CHEST 1981 79, 449-453DOI: (10.1378/chest.79.4.449) Copyright © 1981 The American College of Chest Physicians Terms and Conditions
Figure 2 A (upper). Patient 3. Coronary arteriogram showing spontaneous total occlusion of right coronary artery proximal to the acute marginal branch (arrow). This episode was associated with severe chest pain and ST segment elevation in lead 2. B (lower). Arteriogram after administration of sublingual nitroglycerin showing reversal of spontaneous occlusion in 2A. EGG returned to normal, and chest pain subsided. CHEST 1981 79, 449-453DOI: (10.1378/chest.79.4.449) Copyright © 1981 The American College of Chest Physicians Terms and Conditions