User's Manual

Patient Monitor User Manual Monitoring AG
- 121 -
18.3.1.5 MAC Calculation
The MAC value may be calculated and displayed by using end-tidal (Et) gas concentrations
according to the following formula:
)1(
)1(%
AAX
AAEt
MAC = +
)2(
)2(%
AAX
AAEt
+
100
)2(% ONEt
X (AA): HAL=0.75%, ENF=1.7%, ISO=1.15%, SEV=2.05%, DES=6.0%
NOTE:
Altitude, patient age and other individual factors are not considered in the formula above.
18.3.2 Monitoring Steps for IRMA Module
1 Plug the IRMA connector into the IRMA input and switch the power on.
2
Snap the IRMA sensor head on the top of the IRMA airway adapter. It will click into place
when properly seated.
3
A green LED indicates that the IRMA probe is ready for use.
4
Connect IRMA/airway adapter 15mm male connector to the breathing circuit Y-piece.