The newborn infant of an 18-year-old heroin addict has an initial Apgar score of 1. After intubation of the trachea and ventilation with pure oxygen, the Apgar score is 3 at five minutes. Appropriate management at this time would include administration of each of the following EXCEPT
A 70-kg 24-year-old man with bilateral pneumonia whose lungs are being mechanically ventilated has the following measured parameters: tidal volume 750 ml; FiO2 0.7; rate 12/min; positive end-expiratory pressure 10 cmH2O; PaO2 75 mmHg; PaCO2 55 mmHg; pH 7.30. Which of the following alterations should be made in the ventilatory settings?
A 65-year-old patient with hypertrophic cardiomyopathy has chest pain prior to induction of anesthesia. Pulse is 80 bpm and blood pressure is 130/80 mmHg. The ECG (V5) shows sinus rhythm and new ST-segment depression. The most appropriate management is administration of
Compared with an induction dose of thiopental (4 mg/kg), an induction dose of propofol (2.5 mg/kg) produces
An 8-year-old child with chronic renal failure is scheduled for an operation to create an arteriovenous fistula. Laboratory studies include: Hemoglobin 6.5 g/dl, Blood gases (breathing air) : PaO2 97 mmHg, PaCO2 29 mmHg, pH 7.30 Sodium 129 mEq/L Potassium 5.5 mEq/L Chloride 101 mEq/L Bicarbonate 15 mEq/L. Before inducing general anesthesia, which of the following abnormalities should be corrected?
You see a flash of fire from the endotracheal tube of a patient undergoing carbon dioxide laser excision of laryngeal polyps. The immediate response should be to
Compared with the response of a normal patient, administration of a bolus dose of pancuronium (0.15 mg/kg) to a patient with cirrhosis and ascites would be associated with
A 54-year-old man is scheduled for open reduction of a fracture sustained when he jumped from a burning building. The carboxyhemoglobin concentration is 25%. Which of the following is the most reliable indicator of adequate oxygenation during general anesthesia?
Three hours prior to induction of anesthesia for elective laparotomy, a 40-kg 8-year-old boy is anxious and clings to his parents. Which of the following preanesthetic medications is most appropriate?
Which of the following detects the smallest volume of venous air embolization?