Abstract
ST-segment elevation myocardial infarction (STEMI) is an important, life-threatening diagnosis that requires quick diagnosis and treatment, characteristic ECG of which shows ST-segment elevation. Unfortunately, ST-segment elevation is nonspecific, which can be misleading if not careful to be interpreted, as in this case of hypercalcemia seen by us. A 48-year-old male was admitted to our emergency department with recurrent chest pain, nausea and vomiting. Medical history includes hypertension and diabetes. ST-segment elevation in V1 - V4 mimicking STEMI was present on admission. However, immediate coronary angiography revealed nearly normal coronary arteries, his troponin was negative in 6 hours and calcium was 2.95 mmol/L. It was thought that the ECG changes were not indicative of cardiac ischemia but hypercalcemia. He was managed with calcium reduction treatment such as intravenous normal saline and furosemide, with subsequent resolution of ST-segment changes.
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