Infants with untreated pyloric stenosis are at increased risk for each of the following EXCEPT
A 27-year-old man with type I von Willebrand's disease requires internal fixation of an open fracture of the femur. Prothrombin time, partial thromboplastin time, and platelet count are normal. During surgery, there is significant oozing from the wound and the surgeon notes poor clot quality. The most appropriate therapy at this time is administration of
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 21-year-old athlete has laryngospasm following extubation after undergoing repair of an inguinal hernia during general anesthesia. Bag and mask ventilation relieves the patient's symptoms. In the PACU 15 minutes later, he has dyspnea; Sp02 is 85% at an Fl02 of .40. Which of the following is the most likely cause?
The lungs of a 7-kg infant are being ventilated with a volume-cycled ventilator at a rate of 20/min. The anesthetic circuit has a compressible volume of 5 ml/cm H2O, and the peak inspiratory pressure is 20 cmH2O. To achieve adequate ventilation, the ventilator tidal volume should be set at
The two E oxygen cylinders on an anesthesia machine have pressure readings of 1100 psi each. At an oxygen flow of 3 L/min, there will be sufficient oxygen for approximately
In a patient taking a beta-adrenergic blocker, the drug most likely to produce atrioventricular junctional block is
Which of the following statements concerning the metabolism of atracurium is true?
Which of the following muscle relaxants is most likely to result in histamine release following administration of a bolus dose sufficient to facilitate rapid endotracheal intubation?
Following completion of an ankle block, the patient reports intact sensation on the tips of the toes. Which of the following nerves was blocked inadequately?