title: Pheochromocytoma presenting as recurrent syncope resulting from ventricular tachycardia--an unusual presentation.
mesh_terms: D000310:Adrenal Gland Neoplasms / Q000175:diagnosis*; D000328:Adult; D004562:Electrocardiography; D005260:Female; D006801:Humans; D010673:Pheochromocytoma / Q000175:diagnosis*; D013575:Syncope / Q000209:etiology*; D013610:Tachycardia / Q000175:diagnosis*