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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

Ripple effect

Capno Clips

Bhavani Shankar Kodali MD


This capnogram was recorded during low frequency controlled ventilation. Cardiogenic oscillations shown during the expiratory plateau and the descending limb waveform occurring as a result of movement of gases in the airway due to cardiac pulsations.