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Positive end-expiratory pressure

pressure in the lungs above atmospheric pressure that exists at the end of expiration

Pronunciation
/ˈpɑzədɪv ɛnd - ɪkˈspaɪrəˌtɔri ˈprɛʃər/
/ˈpɒzɪtɪv ɛnd - ɛksˈpʌɪrətəri ˈprɛʃə/