10 Random Questions

Cardiac

Addition of 20 cm H2O positive end-expiratory pressure to a patient receiving controlled mechanical ventilation decreases cardiac output and left ventricular function by


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The shorter duration of action of alfentanil relative to fentanyl is due to its


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General Cardiac

Each of the following changes is expected with deliberate hypothermia EXCEPT


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Cardiac

Left ventricular end-diastolic volume is most likely to be underestimated by pulmonary artery occlusion pressure in patients with


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General Cardiac

In a patient with ventricular fibrillation refractory to repeated attempts at defibrillation and epinephrine administration, the most appropriate management is administration of


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A patient with hypokalemic familial periodic paralysis develops weakness of skeletal muscles at the end of an emergency appendectomy under spinal anesthesia. If the weakness is a result of the familial periodic paralysis, which of the following statements is true?


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Which of the following is the most common cause of coagulopathy occurring during massive blood transfusion?


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OB

A woman is undergoing a repeat cesarean delivery at term following a normal pregnancy. Anesthesia consists of thiopental 250 mg, succinylcholine infusion (180 mg in 20 minutes), nitrous oxide and oxygen (7:3 L/min) until delivery. Twenty minutes after the incision a floppy newborn with a 1-minute Apgar score of 5 is delivered. The most likely explanation for the infant's condition is


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OB

Which of the following statements concerning diabetes mellitus in pregnancy is true?


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Pediatric

Which the following findings is most hazardous in premature infants?


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