You are providing blow-by oxygen at 5 L/min to a newborn with central cyanosis. After 30 seconds, you reassess the newborn and determine that the cyanosis has not resolved. You should:
A: assess the heart rate and begin chest compressions if severe bradycardia is noted.
B: increase the oxygen flow rate to 15 L/min and continue your assessment.
C: begin positive-pressure ventilations and determine if intubation is necessary.
D: establish vascular access and give 10 mL/kg of an isotonic crystalloid solution.
Answer: C: begin positive-pressure ventilations and determine if intubation is necessary.
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