high-frequency oscillatory ventilation
Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.
high-frequency oscillatory ventilation (HFOV),
a mechanical ventilation system that supplies a continuous distending pressure to the respiratory tract and, in addition, generates rapidly oscillating ventilatory cycles at small tidal volume.
high-frequency oscillatory ventilationAbbreviation: HFOV
Pulmonary ventilation with multiple rapid breaths given at small tidal volumes. It limits the stretching and collapse of the alveoli that occur in conventional mechanical ventilation.
See also: ventilation