Pressure Regulated Volume Control Mode of Ventilation (PRVC)
PRVC is based on the concept of adaptive control in which the ventilator automatically adjusts the pressure limit of a breath to meet an operator-set volume target over several breaths. PRVC is a control mode of ventilation with a dual control on the volume and pressure. All breaths are patient- or machine-triggered, volume-controlled with pressure regulation and time-cycled. The breaths delivered at preset tidal volume, minute volume and preset rate during preset inspiratory time. The ventilator automatically adjusts the inspiratory pressure control level to changes in the mechanical properties of the lung/thorax on a breath-by-breath basis. The pressure change is 2-3 cm H2O each time and the pressure dos not exceed 5 cm H2O below the pressure alarm (limit) level set on the ventilator even if the targeted volume is not achieved, an alarm message is then displayed showing the target volume is not achieved.
Видео Pressure Regulated Volume Control Mode of Ventilation (PRVC) канала الدكتور مازن خيرالله
Видео Pressure Regulated Volume Control Mode of Ventilation (PRVC) канала الدكتور مازن خيرالله
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