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Cigarette Consumption

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The MicroCO meter provides a simple screening test for cigarette

consumption for use in anti-smoking clinics and all smoking

cessation programs.

Measurement of carboxyhaemoglobin has been well validated as an

indirect measure of cigarette consumption and is widely used in

smoking cessation programs.

Typical values for carboxyhaemoglobin and expired CO in smokers

and poisoning victims, together with the alarm light status, are

given below:

CO(ppm) %COHb Cigarette consumption

Indicator

0 – 6 0 – 1 Non smoker Green

7 –10 1.1 – 1.6 Light smoker Amber

11 – 72 1.8 – 12 Heavy smoker Red

>72 >12 Suspected poisoning Red + alarm

Please note that some urban areas may have high environmental

levels of CO. This can cause a rise in exhaled CO of a few ppm

above that which is normally present on the breath. In these cases

it is possible for a non-smoker to appear at the bottom of the ‘light

smoker’ range (7 – 10 ppm).

References

The relationship between alveolar and blood carbon

monoxide concentrations during breath holding

Jones RH, Ellicott MF, Cadigan JB, Gaensler EA

Journal of Laboratory and Clinical Medicine 1958; 51, 553 – 564

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CareFusion Smoke Check Meter Spezifikationen Seite 8