The infant begins to breath regularly in response to stimulation the heart rate is now 156 but he is persistently mildly cyanotic, with mild intercostal chest retractions and mild grunting respirations. What are the likely diagnoses? What actions should the neonatal team take now?The infant begins to breath regularly in response to stimulation, the heart rate is now 156. but he is persistently mildly cyanotic, with mild intercostal chest retractions and mild grunting respirations. What actions should the neonatal team take now? What are the likely diagnoses?