Painless Prinzmetalʹs ST elevation related to propranolol: A case report

Previous studies have shown that propranolol, an effective mainstay for angina pectoris and unstable angina, can induce coronary arterial spasm in patients with variant angina. However, no report has yet associated it with painless Prinzmetalʹs ST elevation in patients without a history of variant angina. The present communication describes such an unusual and negligible case after propranolol overdose. Coronary arterial spasm can be induced by β-blocker, not only in patients with variant angina but also in normal persons.