Heart Rate Variability of Premature Newborn

"Conventional CPAP will be administered according to the unit's routine on ventilators of different brands and models according to service availability. Binary prongs, from brands available in the service, will be used as an interface without touching the nasal septum with the size recommended by the manufacturer and in accordance with the protocol established in the unit.~TThe CPAP bubbles will be administered using the CPAP NEONATAL BABYPAP® MODEL 1150 S equipment, which is an electromedical device for non-invasive ventilatory assistance for newborns that generates continuous pressure in the airways (CPAP) controlled by means of a column of water that bubbles, through a flow of heated and humidified medical gas mixture supplied by a breathing circuit to the patient's nasal passage."