Vent control
Low volume / disconnect alarm
The ventilator is not seeing expected delivered or exhaled volume. Choose the likely branch.
Circuit disconnectDisconnected circuit, loose adapter, water trap, filter.Cuff leak / cuff failureLow exhaled VT with audible leak.Tube position / partial extubationDepth, cuff at cords, mainstem, dislodgement.Pressure limit / interrupted breathHigh pressure prevents full VT delivery.EtCO₂ / oxygenation checkDo not miss extubation or esophageal tube.
Clinical review / use limits
Authored by: Airway of the Month education team. Last reviewed: July 2026. Audience: EM learners, faculty, EMS, RT, simulation educators, and airway teams.
This is an educational cognitive-aid scaffold, not a bedside order set. Verify medications, ventilator changes, pediatric dosing, and procedures against local ED, ICU, anesthesia, pharmacy, RT, EMS, and pediatric policies.
Resources · Editorial policy · ACEP intubation policy · ARDS ventilation reference