Catecholamines

Catecholamines are hormones secreted by the adrenal medulla, adrenal neurons and extraadrenal chromosomes, including epinephrine, norepinephrine, dopamine and dopa. But adrenal medulla only releases adrenaline and norepinephrine, and adrenaline is the main. Adrenaline and norepinephrine released as hormones have the effects of sympathetic nerve excitement and cardiovascular promotion, energy metabolism, and blood sugar elevation. Determination of urinary catecholamines is valuable for the diagnosis of pheochromocytoma. Take 24 hours of urine, take 5 ~ 10ml of concentrated hydrochloric acid as preservative, and take 10ml for inspection.

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