Low volume / disconnect patterns
Use this to separate leak/cuff/circuit from pressure-limited delivery.
Vent control
Circuit disconnect branch
Start with the simplest mechanical failures.
Confirm airway and EtCO₂Waveform and oxygenation check.Tube/circuit hypoxia pathDepth, cuff, circuit, oxygen source.
Check
- Circuit connected at ETT, filter/HME, Y-piece, ventilator, oxygen source.
- Water trap/filter obstruction or loose connection.
- If unstable, disconnect and bag while troubleshooting.
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.
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