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You are called to treat a 5-year-old with a 3-day history of worsening respiratory distress. The child responds only to pain. The heart rate is initially 45/min and regular with poor capillary refill. You provide bag-mask ventilation with high-flow oxygen, which produces good chest rise with full and clear bilateral breath sounds. The heart rate rises in response to ventilation, but after you suction the posterior pharynx, bradycardia recurs (40/min). Which of the following interventions would be most appropriate for you to do first? Perform transcutaneous pacing Resume bag-mask ventilation Administer epinephrine IV Administer atropine IV {Ans: Resume bag-mask ventilation}You are treating a 10-year-old patient after a motor vehicle crash. The patient is unresponsive and flexes his arms at the elbow in response to a painful stimulus. An endotracheal tube is in place with position confirmed. You are ventilating using a resuscitation bag with oxygen, and the child has an SPO2 of 95% and good chest excursion bilaterally. The blood pressure is 130/70 mm Hg, and the heart rate is 90/min with good perfusion. You have established intravenous access. Which of the following actions would be most appropriate at this time? Obtain a CT scan of the head and