Indications for Instituting Oxygen Therapy

Has the patient had cardiac and/or respiratory arrest?

PaO2

Oxygen saturation in percent (enter from 0 to 100)

Systolic blood pressure

Does the patient have a low cardiac output?

Does the patient have metabolic acidosis (bicarbonate < 18 mEq/L)?

Is the patient in respiratory distress?

Respiratory rate in breaths