Unsuspected pheochromocytoma in a surgical patient.
D000310:Adrenal Gland Neoplasms / Q000150:complications*; D000368:Aged; D000758:Anesthesia; D001145:Arrhythmias, Cardiac / Q000209:etiology; D006801:Humans; D006973:Hypertension / Q000209:etiology*; D008297:Male; D010673:Pheochromocytoma / Q000150:complications*; D011183:Postoperative Complications; D013514:Surgical Procedures, Operative