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3.3.2. Single-use pipette
Warning:
Pipettes are single-use. Systematically change the pipette after each patient.
Warning:
Used or dirty accessories must be disposed of with biological waste (DASRI).
3.4.
Modes of operation
3.4.1. Expired mode
Description
Expired mode measures the level of carbon monoxide exhaled by the patient. It also displays an instantaneous
measurement of CO in the atmospheric air.
In expired air, the measurement can by displayed:
•
in ppm: parts per million
•
in % COHb : percentage of CO trapped in the haemoglobin
•
in % FCOHb: percentage of CO trapped in the foetal haemoglobin
The relation between ppm and %COHb was shown in a study by MJ. JARVIS, M. BELCHER, C.VESEY, DCS.
HUTCHISON, in Thorax, volume 41, n°11, pages 886-887 of November 1986.
The value displayed in expired mode is the peak value, i.e. the highest. Change the measurement unit (ppm,
%COHb, %COHbF) by pressing successively on "Unit/0".
The CO trapper captures the last millilitres of expired air, called alveolar air. For an instantaneous measurement
in atmospheric air, remove the CO trapper; the electrochemical sensor is in direct contact with the atmospheric
air.
Ppm correspondence/ number of cigarettes per day
0-5 ppm
5-10 ppm
10-15 ppm
15-25 ppm
25-50 ppm
Ce document est la propriété de la Société FIM MEDICAL. Il ne peut être reproduit ou communiqué sans son autorisation.
This document is the property of FIM MEDICAL. Its contents cannot be reproduced or divulged without the company's approval
Non-smoker
Passive or infrequent smoker
Frequent smoker
Heavy smoker
Very heavy smoker
0 cigarettes
0 cigarettes
10 cigarettes
20 cigarettes
60 cigarettes
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