Positive Expiratory Pressure | 合法醫療器材資訊網

Inpositiveexpiratorypressure(PEP),apersonbreathesthroughamaskorahandheldmouthpiece.PEPdevicesallowairtoflowfreelyasyoubreathein,but​ ...

In positive expiratory pressure (PEP), a person breathes through a mask or a handheld mouthpiece. PEP devices allow air to flow freely as you breathe in, but not when you breathe out. You must breathe out harder against the resistance. It takes about four times as long to breathe out against the resistance than it does to breathe in. This helps air get behind the mucus and helps move it from lung and airway walls. It also holds your airways open, keeping them from closing.

Oscillating PEP is an airway clearance technique (ACT), where the person blows all the way out many times through a device. Commonly known by their brand names (Flutter®, Acapella®, AerobikA®, and RC-Cornet®), these types of oscillating PEP devices work in two ways. First, they...