CPAP

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CPAP

Continuous Positive Airway Pressure (CPAP) (/siːˈpeɪp/, see-PAP) is a form of positive airway pressure ventilator, which applies mild air pressure on a continuous basis to keep the airways continuously open in people who are able to breathe spontaneously on their own. It is an alternative to positive end-expiratory pressure (PEEP). Both modalities stent the lungs' alveoli open and thus recruit more of the lung's surface area for ventilation. But while PEEP refers to devices that impose positive pressure only at the end of the exhalation, CPAP devices apply continuous positive airway pressure throughout the breathing cycle.

Etymology

The term CPAP is an acronym that stands for Continuous Positive Airway Pressure. The term was first used in the late 20th century, and it is derived from the medical procedure it describes, which involves the continuous application of positive pressure to the airway of a patient.

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