Monitoring Anesthesia Gases
2000966-386D Dash™ 3000/4000/5000 16-7
Enabling HAL and ENF
When using a SAM module, you can enable the monitor to detect and display low
values of halothane and enflurane (greater than one percent) due to non-analyzed
gases in the circuit in the GAS parameter window.
To enable the HAL and ENF display, follow this procedure.
1. Select MORE MENUS > MONITOR SETUP > MONITOR DEFAULTS >
SETUP DEFAULT DISPLAY.
Option Function
UNITS Select the units of measure for gas parameters.
VIEW OTHER GASES Select one of the following to select the gases displayed:
N2O — Display just N
2
0.
MIX — Displays the primary and secondary agents if a
mix of three agents are detected
REVIEW GAS DATA Review GRAPHIC TRENDS information.
MONITOR Select one of the following to select the agent combination
for analysis.
ISO — Isoflurane, halothane, enflurane and
sevoflurane.
DES — Desflurane, halothane, enflurane and
sevoflurane.
GAS LIMITS Select the high and low alarm limits for gas parameters. An
alarm sounds when a value occurs outside of these limits.
CP BYPASS Select to deactivate alarms when the patient is on bypass.
Alarms are automatically reactivated when three minutes of
uninterrupted ventilation is detected.
CLEAR MESSAGE Clear hardware error messages after the condition is
corrected.
MAC VALUES Display the MAC value until the patient is discharged. The
MAC value is the minimum alveolar concentration of an
agent needed to produce an anesthetizing effect in 50
percent of the population.
WARNING
—The MAC values correspond to healthy adults. Other
factors, such as age and physical condition, need to be
accounted for.
NOTE
The displayed value reflects the expired MAC value.
NOTE
If N
2
0 and two other agents are displayed, the MAC
value does not display in the GAS parameter window.
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