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Information

May be normal between anginal episodes or show old infarction (Chap. 111. Electrocardiography). During angina, ST- and T-wave abnormalities typically appear (ST-segment depression reflects subendocardial ischemia; ST-segment elevation may reflect acute infarction or transient coronary artery spasm). Ventricular arrhythmias frequently accompany acute ischemia.

Outline

Section 8. Cardiology