A 58-year-old woman with rheumatoid arthritis and hyperactive gag reflex requires awake intubation prior to cervical spine stabilization. Which of the following regional nerve blocks is most appropriate?
Which of the following statements concerning variable decelerations of fetal heart rate is true?
(A) It indicates compression of the umbilical cord
(B) It indicates compression of the fetal head
(C) It indicates prematurity
(D) It is obliterated by atropine
(E) It occurs normally following epidural anesthesia
A
A 20-year-old woman with poorly controlled diabetes mellitus is scheduled for urgent drainage of an abdominal abscess. She received an initial dose of regular insulin 10 units followed by regular insulin 5 units/hr for the past five hours. Laboratory studies show serum sodium concentration 128 mEq/L, potassium 5.4 mEq/L, chloride 80 mEq/L, and glucose 750 mg/dl. The most appropriate perioperative management is
(A) addition of subcutaneous NPH insulin
(B) administration of sodium bicarbonate to correct metabolic acidosis
(C) administration of normal saline solution to correct the presumed hypovolemia
(D) administration of furosemide to correct hyponatremia
(E) infusion of 5% dextrose in 0.2% saline solution to prevent hypoglycemia
A 46-year-old patient who abuses intravenous drugs develops acute aortic valvular insufficiency from bacterial endocarditis. Which of the following statements concerning pressures measured through a pulmonary artery catheter is true?
(A) Pulmonary artery occlusion pressure will underestimate left ventricular end-diastolic pressure
Four days after subarachnoid hemorrhage and surgical clipping of a cerebral aneurysm, a patient develops cerebral artery vasospasm. Appropriate treatment includes each of the following EXCEPT