An asymptomatic 38-year-old woman is scheduled for elective cesarean delivery. The preoperative EKG shows left axis deviation that was not present one year ago. The most appropriate next step is to
(A) postpone the procedure and consult a cardiologist
(B) postpone the procedure and obtain an echocardiogram
(C) proceed with the procedure after administration of digitalis
(D) proceed with the procedure but avoid inhalational agents
(E) proceed without intervention since this is a normal finding
A tourniquet with dual bladders is being used for intravenous regional anesthesia of the upper extremity. At what point in the procedure should the distal tourniquet be inflated?
(A) During injection of the local anesthetic
(B) After the patient complains of tourniquet pain
(C) Coincident with inflation of the proximal tourniquet
During an inguinal hernia repair, a newborn infant will have a larger fluid requirement (in milliliters per kilogram) than an adult because of relatively greater
A patient is placed in the prone jackknife position for lumbar subarachnoid injection of tetracaine 10 mg in 10 ml of preservative-free sterile water. Which of the following results is most likely?
A 57-year-old man has back pain, a heart rate of 90 bpm, decreased pulse in the left arm, and blood pressure of 200/110 mmHg. During infusion of nitroprusside, heart rate increases to 115 bpm and blood pressure decreases to 140/80 mmHg. The most appropriate management at this time is administration of
Immediately after sustaining severe head injury, a 20-year-old man has a blood pressure of 150/90 mmHg and an intracranial pressure of 35 mmHg. After one hour of thiopental infusion, blood pressure is 105/60 mmHg, intracranial pres sure is 20 mmHg, central venous pressure is 5 mmHg, and temperature is 36°C. The EEG shows slow-wave activity. The most appropriate next step is administration of