The main sign of<unk>  is cyanosis. Depending on the underlying cause of the cyanosis, additional symptoms may be: * Rapid heartbeat * Rapid respiratory rate * Failure to thrive * Shortness of breath * Nasal flaring * Lethargy * Seizures
Blue baby syndrome
Gray baby syndrome
Michelin tire baby syndrome
Shaken baby syndrome
Omphalitis of newborn
Neonatal diabetes
Neonatal jaundice
Hemolytic disease of the newborn