10 Random Questions

A 65-kg, 57-year-old man has an initial activated clotting time (ACT) of 122 seconds prior to elective cardiopulmonary bypass. Five minutes after administration of heparin 200 mg, ACT increases to 154 seconds. After two additional doses of 200 mg each from different lots, ACT increases to 240 seconds. The most appropriate next step is to

ADVANCED Transfusions & Fluids Cardiac

Which of the following statements concerning neuroleptic malignant syndrome is true?

ADVANCED General

After administration of a single dose of vecuronium, function returns last to which of the following muscles?

BASIC Pharmacology & Pharmacokinetics

During carotid endarterectomy, blood pressure suddenly decreases from 140/90 to 80/50 mmHg. The EKG shows a heart rate of 42 bpm, with normal sinus rhythm and occasional premature ventricular contractions. The most appropriate therapy is intravenous administration of

A 55-year-old patient with hypertrophic cardiomyopathy (IHSS) is undergoing bladder suspension with enflurane 1%, nitrous oxide 50%, and oxygen 50%. Junctional tachycardia and hypotension develop suddenly immediately after skin incision. The most appropriate management is to

Compared with adults, neonates are more likely to become hypoxemic following anesthesia and extubation because of a relatively

ADVANCED Pediatric

Which of the following is most likely to occur during deliberate hypotension with trimethaphan?

Which of the following provides the earliest indication of myocardial ischemia during general anesthesia?

A 45-year-old woman undergoes aortic valve replacement for aortic stenosis. Two minutes after removal of the venous cannulae, air is noted in the arterial inflow cannula. Heart rate is 80 bpm, blood pressure is 95/60 mmHg, and cardiac index is 1.5 L/min/m2. ST-segment elevation is noted in EKG leads II, III, and aVF. The most appropriate next step is to

Which of the following would be most likely to result in neonatal depression when administered to a healthy parturient during an uncomplicated labor and vaginal delivery?

ADVANCED Pediatric OB