Case presentation A 66-year-old man presented with symptoms of central chest pain. The pain invariably emerged at rest and waned naturally after 15 minutes. Medical history The patient did not take any medication, and there were no risk factors for coronary heart disease. Hospital stay Physical inspection, laboratory examinations, resting ECG, and stress tests were all within normal limits. Scintigraphy of myocardial perfusion showed no ischemia.

During hospitalization, the patient suffered a recurrence, after which an ECG was taken. ECG findings The ST-segment elevation and T-wave inversion in V1 to V5, aVL, and aVR were the most striking elements of the ECG, and the lower paths had reciprocal depression. The ECG stabilized, and the signs were resolved before coronary angiography. The angiography did not indicate severe coronary stenosis. ##Disclaimer## The content provided on…