Skip to airway content Airway of the MonthRead the patient. Rescue the airway. Run the room.

Vent control

Low volume: EtCO₂ / oxygenation check

Do not let a low-volume alarm distract from confirming the airway.

No/low EtCO₂Tube, circulation, or equipment.Hypoxia pathwayIf SpO₂ falling.

Do now

  • Look at waveform EtCO₂, not just the numeric value.
  • Bag if unstable and verify chest rise, tube depth, circuit, oxygen source, and cuff seal.

Evidence and use limits

Last reviewed: 2026-07-17. Designed for: emergency medicine learners, clinicians, EMS, RT, and airway educators.

This is an educational cognitive aid, not a bedside order set. Confirm medications, ventilator changes, pediatric dosing, procedures, and escalation decisions against the patient’s physiology, the ventilator in use, and local ED/ICU/anesthesia/pharmacy/RT/EMS/pediatric policy.

Full references · Editorial policy · AARC 2024 ventilator assessment · ATS/ESICM/SCCM lung-protective ventilation · ATS 2024 ARDS update

About this resource
Created by: Andrew Pirotte, MD; Kyle Brown, MD; Reba Hodge, MD; Amanda Vanderwerf, PharmD, BCEMP; Morgan Kimball, PharmD, BCEMP; Joshua Mohess Clinical review: Emergency medicine faculty review completed. Medication content reviewed by Amanda Vanderwerf, PharmD, BCEMP, and Morgan Kimball, PharmD, BCEMP. Last reviewed: 2026-07-23 Next scheduled review: 2027-01-23 Designed for: EM residents, emergency physicians, EMS clinicians, airway educators, and simulation faculty Important: Educational resource and cognitive-aid guide only; not a bedside order set or substitute for local protocol, medical direction, or clinical judgment. Website contact: [email protected]