Q:

A 32-week-preterm baby on mechanical ventilation,

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A 32-week-preterm baby on mechanical ventilation, he is recovering from RDS, his blood gas is satisfactory, and you reduced the ventilatory settings in process for weaning. Of the following, the MOST valuable indicator that the baby is ready for extubation is


  1. frequency of respiration 35
  2. fraction of inspired O2 0.55
  3. peak expiratory end pressure 6
  4. nspiratory pressure 8
  5. nspiratory time 0.4 sec

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(D). In absence of tachypnea, increased work of breathing, hypoxemia, hypercapnia, acidosis, diaphoresis, tachycardia, and hypotension and when the ventilator rate is <5 breaths/min or (between 5-10 cm H2O in pressure controlled devices) indicate that the contribution of the ventilation to minute ventilation is minimal and the baby is ready to be extubated.

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