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Fatal Catecholamine-Induced Cardiotoxicity Associated with Pheochromocytoma: Report of a Postpartum Case and Review of the Literature

Pheochromocytomas and paragangliomas are catecholamine-secreting tumors characterized by excessive adrenergic stimulation. Common manifestations include hypertension, headache, sweating, and palpitations; however, rare life-threatening conditions have also been reported and include cardiovascular shock, myocardial infarction, arrhythmias, and cardiomyopathy. We report a case of a previously healthy 31-year-old postpartum female presenting with headache who died suddenly in an emergency room. Autopsy revealed a pheochromocytoma of the right adrenal with significantly elevated metanephrine concentrations and acute “myocarditis.” Sudden excessive catecholamine release can cause cardiovascular complications and be rapidly fatal without significant elevation of blood pressure. Awareness of this association by the medical examiner/coroner is vital in order to properly classify the death and apprise relatives of the potential utility of genetic screening.