A 77-year-old woman is still intubated and breathing spontaneously following a total hip replacement. The muscle relaxant has been reversed. Tidal volume is 400 ml, end-tidal carbon dioxide tension is 45 mmHg, and SpO2 is 98% at an FiO2 of 1.0. On transfer from the operating table to the gurney, heart rate increases from 65 to 100 bpm and blood pressure decreases from 130/80 to 80/50 mmHg. End-tidal carbon dioxide tension is 30 mmHg and SpO2 is 94%. The most likely diagnosis is
A patient with a fasting blood glucose concentration of 100 mg/dL undergoes a four-hour operation under general anesthesia without intraoperative administration of glucose. On emergence the most likely finding will be
A 22-year-old woman with preeclampsia has undergone emergency cesarean delivery during general anesthesia. At the completion of the surgery, attempts at reversal of vecuronium are unsuccessful. Each of the following could be a cause of this failure EXCEPT
(A) hypoalbuminemia
(B) hypothermia
(C) perioperative administration of gentamicin
(D) perioperative administration of magnesium sulfate
(E) respiratory acidosis
A
A 50-year-old patient is undergoing craniotomy for clipping of a cerebral aneurysm with isoflurane, nitrous oxide, and fentanyl anesthesia. At the time of aneurysm exposure, the EEG shows burst suppression. Which of the following is the most likely cause?
Twenty minutes after thiopental induction for femoral herniorrhaphy, a 34-year-old woman is breathing spontaneously and receiving nitrous oxide-oxygen (2 liters each) and enflurane 3% by face mask. Pulse is 90 bpm, blood pressure is 80/60 mmHg, end-tidal enflurane concentration is 2%, and end-tidal carbon dioxide tension is 48 mmHg. Which of the following is most likely to occur on skin incision?
An apneic adult is receiving an oxygen flow of 4 L/min through a rigid bronchoscope. After five minutes of apnea, which of the following findings is most likely?