A patient who is scheduled for emergency debridement of an infected wound on the sole has trismus, rigidity of facial muscles, and spasms of the intercostal muscles, diaphragm, and extremities. During anesthesia, this patient is at increased risk for each of the following EXCEPT
A 70-kg man has stable 80% neuromuscular block induced with d-tubocurarine. Compared with neostigmine 3 mg, antagonism with edrophonium 70 mg will
Diffuse microvascular bleeding is noted in a patient who has received 25 units of whole blood for a liver resection. Platelet count is 40,000/mm3, prothrombin time is 18 sec, activated partial thromboplastin time is 54 sec, and serum fibrinogen concentration is 60 mg/dl. The most likely cause of the bleeding is
A patient with lumbar disk disease requires lumbar epidural injection of a corticosteroid for control of low back pain. Which of the following statements concerning this treatment is true?
A 70-kg patient with no acute bleeding has a preoperative platelet count of 40,000/mm3. Following preoperative transfusion of platelets 10 units, the predicted platelet count would be
A patient has pain in the left thoracic wall associated with metastatic rib lesions. An intrathecal neurolytic block with 6% phenol in glycerin is planned for pain relief. Prior to performing the block, the patient should be placed in which of the following positions?
For any given FiO2 and PaCO2, the PaO2 is lower in a healthy paralyzed patient anesthetized with isoflurane than in the same patient unanesthetized and breathing spontaneously. The primary cause of this difference is
Which of the following is most reliable for treatment of cerebral artery vasospasm associated with subarachnoid hemorrhage?
A 1150-g, 10-day-old infant is undergoing a bowel resection for necrotizing enterocolitis. Heart rate is 200 bpm and blood pressure measured through a femoral artery catheter is 45/24 mmHg. The most appropriate next step is administration of
The odor of isoflurane is noted during isoflurane anesthesia with an endotracheal tube and mechanical ventilation. Mean airway pressure is unchanged. A scavenging system with an open interface and an active disposal system is being used. The most likely cause of the isoflurane odor is