Managing Acute Respiratory Insufficiency/Failure Using Noninvasive Positive Pressure Ventilation (NPPV)
what is PRVC mode?
PRVC stands for Pressure Regulated Volume Control, which is a ventilation mode used in mechanical ventilation to provide a set tidal volume to patients while maintaining a target pressure. It is a hybrid mode that combines elements of both volume control and pressure control ventilation. In PRVC mode, the ventilator delivers breaths based on a set target tidal volume and adjusts the inspiratory pressure to achieve that volume. The ventilator continuously monitors the patient's lung compliance and resistance to adjust the pressure delivered during each breath. This allows for the delivery of a consistent tidal volume despite changes in lung compliance or airway resistance. Here's how PRVC mode typically works: 1. Target Volume: The clinician sets the desired tidal volume that should be delivered to the patient. 2. Target Pressure: The clinician also sets the upper limit of pressure that should not be exceeded during ventilation. 3. Breath Delivery: The ventilator delivers each ...
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