Alaris® EtCO2 module
Topic 1: Overview of End Tidal CO2 Monitoring

Page 7 of 13

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What is End Tidal CO2 (EtCO2) Monitoring?

The Alaris® EtCO2 module measures:

  • End Tidal Carbon Dioxide (EtCO2) value
    • Normal range (for a typical patient): 35-45 mmHg
  • Respiratory Rate (RR) in breaths per minute (continuous respiratory rate monitoring)
  • No breath periods
  • EtCO2 Waveform (capnogram)
  • Fractional Inspired Carbon Dioxide (FiCO2) value
    • Normal (for a typical patient): 0 mmHg

(Sample Normal Capnogram Waveform)