A patient is bleeding excessively after routine transurethral resection of the prostate. Re-exploration discloses diffuse oozing. The most appropriate management is administration of
Anesthesia is induced with halothane in a 3-year-old girl. Sixty seconds after administration of succinylcholine 1 mg/kg intravenously, heart rate decreases rapidly from 120 to 60 bpm. The most likely cause is
(A) acute hyperkalemia
(B) failure to pretreat with a nondepolarizing relaxant
The five curves shown represent the uptake of enflurane, desflurane, halothane, isoflurane, and nitrous oxide. Which uptake curve best depicts desflurane?
Pulmonary artery diastolic pressure increases acutely from 10 to 20 mmHg in a 28-year-old man undergoing cervical laminectomy in the sitting position. The most appropriate first step in the management of this patient is to
(A) administer furosemide
(B) aspirate from the proximal port of the pulmonary artery catheter
(C) inflate the balloon on the pulmonary artery catheter
(D) place the patient in the left lateral decubitus position
(E) start an infusion of nitroglycerin
B
A 65-year-old man undergoes prostatectomy in the lithotomy position under spinal anesthesia using bupivacaine 12 mg. Ten hours later, he reports that his left foot is numb. Examination shows decreased pinprick sensation over the lateral dorsal aspect of the left foot; dorsiflexion is limited. Which of the following is the most likely cause?