When Assessing an Obese Patient, an Approach to Noninvasive Ventilation

When assessing an obese patient, an approach to noninvasive ventilation includes:
1) obtain an arterial blood gas analysis to assess baseline gas exchange.
2) monitor vital signs, gas exchange, respiratory rate, tidal volume, and comfort of the patient.
3) explain the indications of noninvasive ventilation to the patient and the possible outcomes.
4) suggested initial settings are 5 cm H₂O of pressure support and 5 cm H₂O of PEEP.

A) 1 and 2 only
B) 1, 2, and 3 only
C) 3 and 4 only
D) 1, 2, and 4 only

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