BeneVision N Series Patient Monitor Operator’s Manual 22 - 5
• Make sure there is no air bubbles in the IBP transducer systems. If air bubbles appear in the tubing
system, flush the system with the infusion solution again. Air bubble may lead to wrong pressure
reading.
8. If you need to measure CVP, connect one end of the CVP transducer to the central venous catheter and the
other end to the IBP cable marked with pCVP. Then plug the IBP cable to the pArt/pCVP connector on the
PiCCO module.
22.6.2 Performing the CCO Settings
To perform the CCO settings, follow this procedure:
1. Select the CCO numeric area to enter the C.O. Measure (CCO) menu.
2. Select the Setup tab to enter the CCO Setup page.
3. Set the patient information.
Correct input of height, weight, category and gender is mandatory for the accuracy of the displayed
parameters as well as for the correct indexing of some parameters. The monitor automatically calculates
predicted body weight (PBW), body surface area (BSA) and predicted body surface area (PBSA) according to
the inputted height and weight.
4. Check that the correct arterial catheter type is displayed at Catheter Type.
The monitor can recognize the arterial catheter automatically when the arterial thermodilution catheter,
PiCCO cable, and PiCCO module are connected. If the catheter constant is not recognized, enter the correct
value for the catheter in the Catheter Type edit box. The catheter constant is usually written either on the
catheter or on the catheter packaging.
5. Set Catheter Position.
Set the position site of the arterial thermodilution catheter according to the catheter type.
6. Set Injectate Volume.
If the injectate volume is not selected, the monitor sets the volume by default during the first measurement,
which is 15ml for adult and 10 ml for pediatric. Later the monitor adjusts the injectate volume according to
previous measuring result. The following table displays the recommended injectate volume depending on
body weight and Extravascular Lung Water Index (ELWI):
• The selected volume should be strictly the same as actual injected volume. Otherwise, the
measurement accuracy may be compromised or measurement may be failed.
7. Set Auto Start.
â—† If Auto Start is disabled, you should start each measurement manually by selecting Start in C.O.
Measure (CCO) window.
Patient Weight (kg)
ELWI < 10 ELWI > 10 ELWI < 10
Iced Injectate Iced Injectate
Room Temperature
Injectate
<3 2ml 2ml 3ml
<10 2ml 3ml 3ml
<25 3ml 5ml 5ml
<50 5ml 10ml 10ml
<100 10ml 15ml 15ml
≥100 15ml 20ml 20ml
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