Catecholamines - Catecholamines (Blood)

This results in episodic or sustained hypertension and in intermittent attacks of palpitations, cardiac arrhythmias, headache, sweating, pallor, anxiety, tremor, and nausea.

At the same time that Salter unwittingly made use of the adrenal medulla, the French physician found something unique about it.

Both epinephrine and norepinephrine modulate metabolism to increase blood glucose levels by stimulating glycogenolysis in the liver via beta-2 receptors , increased glucagon secretion via beta-2 receptors and decreased insulin secretion via alpha-2 receptors from the pancreas, and lipolysis in adipose tissue via beta-3 receptors.

Lastly, Ahlquist failed to adduce the selectivity of all antagonists known at his time for the α-adrenoceptor as an additional argument.