A 43-year-old African American male presents to the ER with chest pain, profuse sweating, nausea, and vomiting. A stat EKG rules out a heart attack, and his symptoms are attributed to severe...

A 43-year-old African American male presents to the ER with chest pain, profuse sweating, nausea, and vomiting. A stat EKG rules out a heart attack, and his symptoms are attributed to severe hypertension.

A urine test identifies the presence of catecholamines and their metabolites. What is the underlying etiology of the patient’s hypertension?

 A. Hyperaldosteronism

 B. Cushing disease

 C. Pheochromocytoma

 D. Essential hypertension