A male neonate born at 32 weeks gestation is noted to have bluish discoloration of the hands and feet 10 minutes after birth. He is vigorous, crying lustily, and has a heart rate of 140/min. Central cyanosis is absent. What is the most appropriate next step?

• A Administer supplemental oxygen immediately via face mask
• B Perform an echocardiogram to rule out congenital heart disease
• C Check arterial blood gas to assess oxygenation
• D Reassurance; this is physiological acrocyanosis requiring no treatment ✓

Explanation

Acrocyanosis (bluish discoloration restricted to the hands and feet) is a normal finding in the first few hours of life due to peripheral vasomotor instability and is not a sign of hypoxia. Central cyanosis (involving the lips, tongue, or mucous membranes) would warrant urgent evaluation and supplemental oxygen. In a vigorous, well-crying neonate with a good heart rate, simple reassurance and observation are sufficient.

Reference: Ghai Essential Pediatrics, 10th ed.

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Written and medically reviewed by the StethoPrep medical team.