A Patient,who Is Nasally Intubated,due to Facial Surgery,has Been Successful

Multiple Choice

A patient,who is nasally intubated,due to facial surgery,has been successful on her spontaneous breathing trial.She currently has moderate hypoxemia,despite a fractional inspired oxygen (FɪO₂) of 40% and positive end-expiratory pressure (PEEP) of 5 cm H₂O while on volume-controlled continuous mandatory ventilation (VC-CMV) .The most appropriate ventilator mode for this patient is which of the following?

A) Airway pressure release ventilation (APRV)
B) Continuous positive airway pressure (CPAP)
C) Pressure support ventilation (PSV) with positive end-expiratory pressure (PEEP)
D) Intermittent mandatory ventilation (IMV) with pressure support ventilation (PSV) and positive end-expiratory pressure (PEEP)