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104
Instructions for use
|
Atlan A300, A300 XL, A350, A350 XL SW 1.0n
Operation
The equation applies to patients older than 1 year.
MAC
age-adjusted
= MAC
1)
x 10
(–0.00269 x (age –40))
7.5.1.1 Example
Exp. Isoflurane = 0.65 Vol%
Exp. N
2
O = 69 %
Age = 32 years
MAC
age-adjusted
for Iso: MAC
2)
= 1.21 Vol%
MAC
age-adjusted
for N
2
O: MAC
= 110 Vol%
xMAC = 0.54 + 0.63 = 1.2
The influence of other drugs (opioids or intravenous hypnotics) is not considered in
the xMAC calculation.
7.5.2 Econometer
Prerequisite: The device has the "Advanced gas monitoring" option.
During operation, the device monitors the breathing bag for sufficient filling.
The bar graph indicates whether the device is supplied with sufficient fresh gas.
1) 40 years
For gas mixtures, the respective multiples for N
2
O and anesthetic agents are
summed up according to the following equation:
xMAC =
Exp. conc. agent
1
+
Exp. conc. agent
2
+
Exp. conc. N
2
O
MAC
age-adjusted
agent
1
MAC
age-adjusted
agent
2
MAC
age-adjusted
N
2
O
2) 32 years
3532
2
Surplus
Efficient
Deficit
Econometer