
8
9
• Interfering Gas and Vapour Effects
Gas or Vapor
GAS Level
Quantitative Effects
Nitrous Oxide
60
No additional effect
Halothane
4
No additional effect
Enflurane
5
No additional effect
Isoflurane
5
No additional effect
Sevoflurane
5
No additional effect
Xenon
80
CO2 value at 38 mmHg, the
maximum negative bias
Poor 5mmHg
Helium
50
No additional effect
Metered Dose Inhaler Propellants
unspecified unspecified
Desflurane
15
CO2 value at 38 mmHg, the
maximum positive bias Poor
3mmHg
Ethanol
0.1%
No additional effect
Isopropanol
0.1%
No additional effect
Acetone
0.1%
No additional effect
Methane
1%
No additional effect