“…It can occur spontaneously, due to trauma, or be triggered by medications, including β-adrenergic receptor blockers, sympathomimetics (e.g., pseudoephedrine, ephedrine), dopamine receptor antagonists, opioid analgesics, neurotransmitter reuptake blockers, and peptide and steroid hormones (e.g., glucagon, adrenocorticotrophic hormone, corticosteroids). 4 , 7 The clinical presentation of a pheochromocytoma crisis ranges from severe hypertension to circulatory failure and shock.…”