Hyponatremia induced Brugada syndrome mimicking ST segment elevation myocardial infarction

Seventy‐three year‐old male with history of diabetes, hypertension, and chronic kidney disease stage 3 presented with epigastric pain and hyponatremia. ECG showed new ST segment elevation at precordial leads consistent with Cove‐type Brugada ECG pattern. Cardiac catheterization revealed non‐significant coronary artery stenosis. He experienced pre‐syncope and palpitations a year prior to admission with family history sudden cardiac death. Brugada syndrome was diagnosed. Cove‐type Brugada ECG pattern and palpitations resolved with corrected sodium to 135.