Fig. 1

Findings on admission. a Electrocardiography showed ST elevation in leads I, aVL, and V3–V6. b A contrast-enhanced computed tomography scan revealed a substantial pericardial effusion and a focal low-density area covered with hematoma in the lateral wall (orange arrow). c, d Emergent coronary angiography showed that there was no significant stenosis. LAD left anterior descending artery