High-frequency ventilation (HFV) is a type of mechanical ventilation which utilizes a respiratory rate greater than four times the normal value [1] (>150 (V f) breaths per minute) and very small tidal volumes.

2022年9月29日 · High-frequency ventilation (HFV) is a type of ventilation utilized when conventional ventilation fails. In this technique, the set respiratory rate greatly exceeds the normal breathing rate. In this rescue strategy, the tidal volume delivered is significantly less and can also be less than dead space ventilation.[1]

High-frequency oscillatory ventilation (HFOV) is a rescue maneuver for failed conventional mechanical ventilation. It utilizes the Taylor augmented dispersion of gases through a simple circuit in which bias flow delivers small tidal volumes for patients with acute respiratory distress syndrome (ARDS) and other medical conditions [1 – 4].

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1987年12月1日 · High-frequency positive pressure ventilation (HFPPV) refers to the delivery of small tidal volumes through an insufflation catheter or endotracheal tube using a circuit having a minimal internal compressible volume and high (175 to 250 L per minute) gas flow rates.

2024年7月5日 · High Frequency Oscillation Ventilation (HFOV) is an unconventional form of mechanical ventilation that maintains lung recruitment, avoids overdistention, and does not rely on bulk flow for oxygenation and ventilation. DESCRIPTION. MECHANISM OF GAS EXCHANGE.

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