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Bhavani Shankar Kodali MBBS MD FASA

Bhavani Shankar Kodali Capnography

Inhalational agents absorb IR at lower frequency

Effect of Inhalational Agents

July 29, 2008July 2, 2023 Bhavani Shankar Kodali MD No Comments

Physics of capnography

Bhavani Shankar Kodali MD

Factors affecting IR Spectrography

Effect of Inhalational agents

Inhalational agents do not affect CO₂ measurement

Effect of inhalational agents in IR CO2 absorption

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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