Pressure support
Encyclopedia
Pressure support is a variable in modes of mechanical ventilation
Modes of mechanical ventilation
Modes of mechanical ventilation are one of the most important aspects of the usage of mechanical ventilation. The mode refers to the method of inspiratory support. Mode selection is generally based on clinician familiarity and institutional preferences since there is a paucity of evidence...

that applies pressure when a person being assisted by a ventilator attempts to take a breath.
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