Patient Monitor User’s manual
14-7
Setting Wave Scale
Select【Wave Scale】in the gas waveform setting menu, and you can select
the wave scale in the options as required, and the waveform amplitude will
vary along with it.
Setting Wave Speed
Select【Wave Speed】in the gas waveform setting menu, and select the wave
speed in the options as required.
14.5 MAC Calculation
Minimum alveolar concentration (MAC) is a standard for comparing the
potency of inhalation anesthetics. The MAC value represents the alveolar
concentration of an anesthetic (at one atmosphere) that, in 50 percent of a tested
population, prevents gross muscular movement in response to a painful,
standardized stimulus.
The MAC value may be calculated and displayed by using end-tidal (Et) gas
concentrations according to the following formula:
Note:
Altitude, patient age and other individual factors are not considered in
the formula above.
ET gas concentrations for secondary agent (AA2) is only available for
IRMA AX+ sensors and ISA AX+/OR+ sensors.
14.6 Safety Information
14.6.1 Mainstream AG module
Warning:
Disposable IRMA airway adapters shall not be reused. Reuse of the
single use adapter can cause cross infection.
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