Catecholamine-Induced Myocarditis in Pheochromocytoma

A 25-year-old man arrived at the emergency room of his community hospital complaining of abdominal pain, headaches, and palpitations that had appeared suddenly while he was playing soccer. He had no history of hypertension. An abdominal ultrasound revealed a tumor located in the right adrenal gland. He was subsequently transferred to our hospital for further evaluation. On admission, he presented acute pulmonary edema with severe hypertension (blood pressure, 220/120 mm Hg). He was admitted to the coronary care unit. Intravenous vasodilators and loop diuretics were administered, with rapid recovery of clinical status. ECG showed sinus rhythm, a heart rate of 80 bpm, and T-wave inversion in the DI, DII, and AVL leads. Transthoracic echocardiography revealed left …