new -questions -A 52-year-old man is undergoing preoperative assessment before removal of a solitary pheochromocytoma in the right adrenal. A 52-year-old man is undergoing preoperative assessment before removal of a solitary pheochromocytoma in the right adrenal. He has elevated levels of urine and plasma catechols, and T2-weighted MRI confirms the presence of a 4-cm mass in the right adrenal. A metaiodobenzylguanidine scan shows no other focus of tumor. The patient’s medical history includes hypertension, anxiety, and tremor. His most recent set of vital signs reveals a blood pressure of 140/90 mm Hg, pulse rate of 100/min and regular, and a temperature of 37 C (98.6 F). Electrocardiography reveals normal sinus rhythm and borderline left ventricular hypertrophy by voltage criteria. The patient is medically cleared for surgery. What is the first step in preoperative medical management of this patient? A. Administration of normal saline and ct-blockade with phenoxybenzamine B. β-blockade with metoprolol C. Administration of ct-methylparatyrosine to deplete the tumors catechol stores before surgery D. Repeated 24-hour urine for vanillylmandelic acid, catechols, and metanephrines [1] Tag Cloud * Back Pain * Back pain relief * Home remedy for dry skin * Ldl Cholesterol * Joint pain relief Links: ------ [1] infolinks/?kid=bb&trackerid=101 To see complete article click this link- mbbsdost/fbapp/index.php?mno=1377 To get medical knowledge updates on your facebook profile visit- mbbsdost/fbup/
Posted on: Sun, 03 Nov 2013 18:30:03 +0000
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