A Comprehensive Educational Website (established 1998)
Designed, Produced, and maintained (Edition 13, 2023) by
Bhavani Shankar Kodali MBBS MD FASA
All about Capnography – 'The only dynamic text book on capnography' – Edited frequently – Explained with animations – Quarter century of capnography education "Worldwide"
This capnogram was recorded when the inspiratory valve of circle system was totally incompetent. The alveolar plateau is prolonged due to rebreathing of CO2. Initial inspiratory CO2 concentration was same as expiratory. Later FGF reduces the inspiratory CO2 concentration. Red is the inspiratory portion of the capnogram.
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