Air or gas pressure greater than that of the atmosphere, as used e.g. in the artificial ventilation of the lungs.
- Patients with compromised airways and respiratory failure will require immediate endotracheal intubation and positive pressure ventilation.
- He responded well to supportive therapy with noninvasive positive pressure ventilation and was discharged 72 hours later without further complications.
- Acute respiratory failure may develop rapidly, requiring intubation and intermittent positive pressure ventilation.
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