Prolonged Field Care Podcast Prolonged Field Care Podcast: ETCO2 Deep Dive
Jul 25, 2025
Al Strong, a government clinical manager with Massimo and a former paramedic, dives deep into the EMMA device for monitoring end-tidal CO2. He discusses its crucial calibration for accuracy and the insights gleaned from understanding waveforms. Al emphasizes the importance of training for effective use in emergencies and troubleshooting common issues like circuit leaks. The conversation highlights the device's applications in both civilian and military settings, showcasing its value in assessing patient responsiveness and ensuring safe transport.
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Always Calibrate To Zero Before Use
- Calibrate the EMMA before use by holding both buttons through the full countdown so it reads zero.
- Do not calibrate while attached to a patient or circuit with exhaled CO2 flowing.
Fix Leaks Before Trusting Readings
- Ensure a fully sealed circuit on pocket masks or ET tubes because leaks will miss waveform detail and corrupt ETCO2 readings.
- Inspect masks, tube seals, and use dressings or gel to improve face seals before trusting numbers.
Save Batteries And Set Alarm Limits
- Power down by removing the circuit and the EMMA will auto-shut after ~15 seconds to save batteries.
- Press and hold the arrow buttons to set high/low alarm limits to help manage ventilation targets.