Controlled Mandatory Ventilation (CMV): The Foundation of Emergency Ventilator Support

When every second counts in critical care, Controlled Mandatory Ventilation (CMV) stands as the cornerstone of emergency mechanical ventilation. This fully supported mode ensures precise gas delivery when patients cannot breathe independently, making it indispensable in trauma, cardiac arrest, and post-operative recovery scenarios.

How CMV Works: A Three-Phase Process

Time-Triggered Inspiration

The ventilator initiates breaths at a preset rate (e.g., 12–20 breaths/min for adults), regardless of patient effort.

Ideal for unconscious or paralyzed patients, eliminating the need for spontaneous breathing triggers.

Volume-Delivered Expiration

Delivers a fixed tidal volume (e.g., 6–8 mL/kg for adults) to maintain alveolar recruitment.

Prevents lung collapse by ensuring consistent oxygen-CO₂ exchange.