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Are you scheduled to have any imagining done on you adrenal glands?
And did you have any blood work with elevated metanephrine?
Urinary metanephrines are sensitive for diagnosis of pheochromocytoma which is a catecholamine-secreting tumor within the adrenal medulla. Pheochromocytoma (or any catecholamine-secreting tumors) can cause the "classic triad" is paroxysmal headache, palpitations, and sweating, as well as anxiety, pallor or flushing, syncope, tremor, blurred vision, nausea, vomiting, abdominal pain, diarrhea, constipation, weight loss, and fatigue.
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