Effect of Inhalational Agents

Physics of capnography

Bhavani Shankar Kodali MD

 

Factors affecting IR Spectrography

 

Effect of Inhalational agents

Inhalational agents do not affect CO2 measurement



 

The low concentrations of halogenated anaesthetic agents used during anaesthesia absorb IR energy at different wave lengths (around 3.3 milli microns) and their interference is not considered to be important.1

Reference:
Carbon dioxide monitors. Health Devices;15:255-85.

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