A 30-year-old man is brought to the emergency department after being rescued from a house fire. With the trachea intubated and FiO2 at 1.0, arterial blood gas values are PaO2 495 mmHg, PaCO2 28 mmHg, and pH 7.28. Hemoglobin saturation measured by co-oximeter is 50%. The most appropriate next step is to
During attempted awake intubation, the patient gags when the laryngoscope presses on the base of the tongue. Which of the following cranial nerves is responsible for the afferent limb of this reflex?
In a patient with adult respiratory distress syndrome who is being mechanically ventilated, which of the following findings indicates the most severe disease?
Which of the following findings necessitates the preoperative insertion of a ventricular pacemaker in a 48-year-old man scheduled to undergo cholecystectomy?
(A) Atrial flutter with 3:1 atrioventricular block
(B) Bifascicular (right bundle branch block and left anterior hemiblock) block
(C) Left bundle branch block with first-degree atrioventricular block
Each of the following would slow induction with a volatile anesthetic agent EXCEPT
(A) hypoalbuminemia
(B) hyperlipemia
(C) clean rubber tubing in the circle system
(D) fresh soda lime
(E) obesity
A
A patient has severe hypotension, bronchospasm, and edema of the upper airway after injection of radiocontrast medium during cerebral angiography. The most appropriate immediate treatment is administration of