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A Comprehensive Educational Website (established 1998)

Designed, Produced, and maintained (Edition 12, 2022) by 

Bhavani Shankar Kodali MD

Updated September 2022

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Capnograms recorded in infants and children using side-stream capnographs. Distortion in CO2 waveforms as a result of dispersion of gases in the sampling line. Phase II and the descending limb can be prolonged. Base line is elevated and phase III can have increased slope.


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3.    Badgwell JM, Kleinman SE, Heavner JE.  Respiratory frequency and artifact affect the capnographic baseline in infants.  Anesth Analg 1993;77:708-11