Respuesta :
Following the delivery of a baby, the newborn has a strong cry and a heart rate of 130 beats/min. The baby requires immediate positive-pressure ventilation.
In order to provide air or a mixture of air and other gases to the lungs under positive pressure, positive pressure ventilation is a type of respiratory therapy.
Positive pressure ventilation (PPV) is the technique of administering breaths to a severely ill patient while minimizing the work of breathing. It may involve the use of a ventilator or, more frequently, a mask.
As gas enters the lungs, the interalveolar pressure rises until the machine providing the mixture detects a change in flow or pressure, or until the predetermined amount of gas was supplied to indicate the end of a breath. Air is passively expelled as a result of pressure that builds up in the alveoli and exits into the conductive airways, which are less pressured.
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