A healthy 3-year-old presents to the operating room for a to…
A healthy 3-year-old presents to the operating room for a tonsillectomy. An inhalation induction is begun with 8% sevoflurane, 70% nitrous oxide and 30% oxygen. Sixty seconds later the patient becomes tachypneic with a respiratory rate of 44 and the heart rate increases from 110 to 160 beats/min. What is the cause of the patient’s change in vital signs?
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