A 57-year-old man has back pain, a heart rate of 90 bpm, decreased pulse in the left arm, and blood pressure of 200/110 mmHg. During infusion of nitroprusside, heart rate increases to 115 bpm and blood pressure decreases to 140/80 mmHg. The most appropriate management at this time is administration of
Two hours after a colon resection, a 60-year-old woman with adult-onset diabetes mellitus is somnolent and has a blood glucose concentration of 612 mg/dl. Which of the following findings are most likely? (Sodium, Osmolality, Intravascular volume)
(A) 127, 280, High
(B) 127, 310, High
(C) 127, 330, Low
(D) 140, 280, Normal
(E) 140, 300, Low
C
Ninety minutes after administration of succinylcholine 1 mg/kg to a 28-year-old woman, the train-of-four shows a T4:T1 ratio of 25%. This is most consistent with
Which of the following is the most likely effect of intramuscular ketamine used for induction of anesthesia in a 2-year-old child undergoing elective surgery?
Postoperatively a 70-kg patient has a serum sodium value of 130 mEq/L. To increase this value to 140 mEq/L would require the administration of how much sodium in mEq?
A 5-month-old infant with tetralogy of Fallot is scheduled for elective inguinal herniorrhaphy. Which of the following would require the operation to be postponed?