Bilevel positive airway pressure (BiPAP) provides different pressures for inhale and exhale

https://www.scribd.com/document/998222439/Best-CPAP-Machine-2026-Expert-Reviews-and-Patient-Experiences-227522

Bilevel positive airway pressure (BiPAP) provides different pressures for inhale and exhale, helpful for high-pressure needs or concurrent hypoventilation.