Mindray BeneView T1, Operator'S Manual

Page: 185 / 286

18-5
18.4 Ventilation Calculations
18.4.1 Performing Calculations
To perform a ventilation calculation:
1. Select [ Main Menu ]
→
[ Calculations >> ]
→
[ Ventilation >> ], or select [ Calculations ] QuickKey
→
[ Ventilation >> ].
2. Enter values for calculation. If the patient monitor is connected to an anesthesia machine or a ventilator, the
system automatically loads the supported parameter values to the [ Ventilation Calculation ] window.
3. Select the [ Calculate ] button. The system performs a calculation per the current settings and displays the
calculated values.

If a calculated value is outside the range, its background will highlight in yellow. You can select [ Range ] to
view its normal range in the unit field.

Invalid values are displayed as [ --- ].
In the [ Ventilation Calculation ] window, you can:

Change the pressure unit by selecting [ Press. Unit ] and then selecting the appropriate setting. Corresponding
pressure values shall convert and update automatically.

Trigger a recording by selecting the [ Record ] button. The currently displayed ventilation calculations are printed
out by the recorder.

Review the previously performed calculations by selecting [ Review ].
18.4.2 Entered Parameters
Abbreviation Unit Full spelling
FiO
2
% percentage fraction of inspired oxygen
RR rpm respiration rate
PeCO
2
mmHg partial pressure of mixed expiratory CO
2
PaCO
2
mmHg partial pressure of carbon dioxide in the arteries
PaO
2
mmHg partial pressure of oxygen in the arteries
TV ml tidal volume
RQ None respiratory quotient
ATMP mmHg atmospheric pressure