WAdjustable pressure-limiting valve
WAirway pressure release ventilation
WArtificial ventilation
WBoth respirator
WBragg-Paul Pulsator
WContinuous positive airway pressure
WDual-control modes of ventilation
WHeated humidified high-flow therapy
WIron lung
WNon-invasive ventilation
WPositive airway pressure
WSensorMedics high-frequency oscillatory ventilator