S12 Vet Monitor User’s Manual
18-9
Output
Parameters
Unit Full Name Formula
AaDO2
mmHg,
kPa
alveolar-arterial
oxygen difference
AaDO2=PAO2－PaO2
CcO2
mL/L,
mL/dL
capillary oxygen
content
CcO2 = Hb ×1.34
＋0.031×PAO2
Qs/Qt % venousad mixture
Qs/Qt= (CcO2－CaO2)/( CcO2
－CvO2)
18.6. Ventilation Calculations
The monitor provides the ventilation calculation function. The monitor can save the
results of up to 20 calculations, which are displayed in groups.
18.6.1. Calculation Step
The ventilation calculation steps are as follows:
1. Access ventilation calculation page by either of the following ways:
Select【Calculations】quick key→【Ventilation】submenu
.
Select【Main Menu】quick key→from 【Calculations】 column to
select 【Ventilation】.
2. Enter the correct value for each parameter. For a patient who is being
monitored, the currently measured values are automatically taken.
3. Select 【Calculate】 to calculate the value of each output parameter. The
calculated value is greater than the normal upper limit is indicated by an up
arrow “↑”; the calculated value is lower than the normal lower limit is
indicated by a down arrow “↓”.
On the ventilation page, you can also perform the following operations:
Select 【Pressure Unit】, then corresponding parameter values will be
automatically converted and updated accordingly.
Select 【Range】 to show the normal range of each parameter.
Select 【Unit】 to show the unit of each parameter.
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