What is an episode of pheochromocytoma?

Hormone release: Pheochromocytoma (PCC) is a rare tumor of adrenal gland tissue. When functional they cause adrenal glands to make too much norepinephrine and epinephrine. With hormone release there are usually has three classic symptoms, headache, sweating, and heart palpitations in association with hypertension. Other conditions that can arise are anxiety, nausea, profound sweating and severe headaches :

Multiple: findings of tachycardia, elevated blood pressure, headache! Then flushing, chest pain, heart pain, torn aorta and more!! Medical emergency!