نتایج جستجو برای: metanephrines
تعداد نتایج: 296 فیلتر نتایج به سال:
Pheochromocytoma presents with headache, sweating, and palpitations associated with hypertension, heart failure, and arrhythmias due to catecholamine secretion.1 The presence of sustained ventricular tachycardia (VT) has been reported rarely.2,3 We describe a case of pheochromocytoma that manifested as sustained and incessant monomorphic VT. A 47-year-old woman with diabetes and hypertension un...
CMAJ • NOVEMBER 10, 2009 • 181(10) © 2009 Canadian Medical Association or its licensors 714 A54-year-old man presented with an 8-week history of episodic palpitations accompanied by chest pain and headache. He had no sweating with the episodes. Investigations included 24-hour urine collection for the presence of metanephrines. One month later, while awaiting the results of the investigations, t...
There is a high incidence of glucose intolerance in essential hypertension. Overactivation of the sympathetic system is one of important causes of essential hypertension. Whether sympathetic system affects glucose metabolism in patients with essential hypertension has never been reported previously. The aim of this study was to explore the association between the sympathetic system activity and...
CONTEXT Measurements of the 3-O-methylated metabolites of catecholamines [metanephrines (MNs)] in plasma or urine are recommended for diagnosis of pheochromocytoma. It is unclear whether these tests are susceptible to dietary influences. OBJECTIVE The aim of the study was to determine the short-term influence of a catecholamine-rich diet on plasma and urinary fractionated MNs. DESIGN, SETTI...
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