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Normal Capnogram:


A-B: A near zero baseline - Exhalation of CO2 free gas contained in dead space.


B-C: Rapid, sharp rise - Exhalation of mixed dead space and alveolar gas.


C-D: Alveolar plateau - Exhalation of mostly alveolar gas.


D: End tidal value - Peak CO2 concentration - normally at the end of exhalation.


D-E: Rapid, sharp down stroke - Inhalation.


**Document End-Tidal CO2 reading on ePCR**

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