Subarachnoid hemorrhage misdiagnosed as acute coronary syndrome leading to catastrophic neurologic injury: A case report

Figure 1 Patient examination data on admission. A: The patient's levels of myocardial troponin were elevated upon admission, reaching over 300 times the reference upper limit; B: Electrocardiogram shows an ST-segment elevation of 2 mm in leads V2, V3, and V4; C: Coronary angiography did not reveal any signs of coronary artery spasms.