A 30-year-old woman has difficulty talking 15 minutes after initiation of interscalene block for closed reduction of a dislocated shoulder. The most likely cause is
A 70-kg 78-year-old man undergoing small-bowel resection during anesthesia with isoflurane in oxygen becomes hypotensive and develops frothy pink sputum in the endotracheal tube. Heart rate is 50 bpm, blood pressure is 75/60 mmHg, pulmonary artery occlusion pressure is 22 mmHg, and cardiac output is 1.7 L/min. The most appropriate initial step in management is administration of which of the following?
In patients with blunt head trauma, cerebral perfusion pressure is determined by the gradient between
Which of the following is the most appropriate initial management of a patient with hypotension secondary to sepsis?
Which of the following is the most likely cause of dyspnea during spinal anesthesia to a T3 sensory level?
Compared with midazolam, diazepam has which of the following characteristics?
A 70-year-old man sustains injuries to both carotid bodies during bilateral carotid endarterectomies performed four days apart. Two hours after the second procedure, the patient is breathing room air in the PACU. Which of the following sets (pH, pCO2, pO2) of arterial blood gas values is LEAST likely?
During transurethral resection of the prostate, intravascular absorption of glycine irrigant most commonly produces
A patient who is scheduled for a parathyroidectomy for a parathyroid adenoma has a preoperative serum calcium concentration of 13.5 mg/dl. The ECG shows no acute changes. The most appropriate preoperative management is administration of
Following hypothermic cardiopulmonary bypass, adequacy of total body rewarming is best indicated by normothermia recorded from the