33 - 6 BeneVision N22/N19 Patient Monitor Operator’s Manual
33.5 Oxygenation Calculations
The monitor provides the oxygenation calculation function. The monitor can save the results of up to 10
calculations, which are displayed in groups.
33.5.1 Performing Oxygenation Calculations
To perform oxygenation calculations, follow this procedure:
1. Access oxygenation calculation by either of the following ways:
◆ Select the Calculations quick key → Oxygenation tab.
◆ Select the Main Menu quick key → turn to the second page → from the Calculations column select
Oxygenation.
2. Enter the known values. For a patient who is being monitored, the currently measured values are
automatically taken.
3. Select
Calculate.
The calculated value greater than the normal upper limit is indicated by an up arrow “
↑”. The calculated
value lower than the normal lower limit is indicated by a down arrow “
↓”.
In the
Oxygenation page, you can also perform the following operations:
■ Select Oxycont Unit, Hb Unit, and Pressure Unit. Then corresponding parameter values will be
automatically converted and updated accordingly.
■ Select Range to show the normal range of each parameter.
33.5.2 Input Parameters for Oxygenation Calculations
Input Parameter Label Unit
cardiac output C.O. L/min
percentage fraction of inspired oxygen FiO
2
%
partial pressure of oxygen in the arteries PaO
2
mmHg, kPa
partial pressure of carbon dioxide in the arteries PaCO
2
mmHg, kPa
arterial oxygen saturation SaO
2
%
partial pressure of oxygen in venous blood PvO
2
mmHg, kPa
venous oxygen saturation SvO
2
%
hemoglobin Hb g/L, g/dl, mmol/L
respiratory quotient RQ None
atmospheric pressure ATMP mmHg, kPa
height Height cm, inch
weight Weight kg, lb
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