I. Core Engineering & Physiological Principles 1. Pressure Delivery Mechanisms Edit Parameter CPAP APAP BiPAP Pressure Type Constant (4–20 cm H₂O) Dynamic (Pmin–Pmax range) Dual (IPAP/EPAP) Inspiratory Support None Flow-triggered ↑ (0.5–2 cm H₂O/sec) Active Pressure Support (PS = IPAP–EPAP) Expiratory Relief EPR tech (↓1–3 cm H₂O) Auto-reduction to Pmin Preset ↓EPAP (40–60% reduction) Core […]
