Measurement of plasma or urinary fractionated metanephrines ... pharmacologic blockade of circulatory responses to catecholamines is mandatory. Because approximately a quarter of tumors develop ...

Measurement of both metanephrine and normetanephrine ... The two patients with normal chromogranin A levels had high levels of catecholamines and their metabolites. Chromogranin A has a ...

Dependent Variables: urinary catecholamines and cortisol. Results The sedentary participants had higher levels of epinephrine, norepinephrine, dopamine, metanephrine, normetanephrine and cortisol than ...