Q13. How much PEP does the PEP Resistor provide?
A13. With the PEP Resistor at its most “closed down” position, and during resting breathing, the maximum PEP pressure is about 4 to 5 cm H2O. This is a modest amount of PEP that will help hold airways open and provide a little bit of “shear” force to help separate mucus from the airway surface.
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