Chapter 4: Operation
4-44 Fresenius Medical Care multiFiltrate IFU-EN-UK 15A-2015
CRRT treatments with citrate anticoagulation
4.6.7 Treatment
4.6.7.1 Checking the post-filter calcium concentration
The optical detector senses opaque fluid.
The blood pump is stopped.
If not done yet when using an NaCl
solution with two connectors:
 Disconnect the venous patient line from
the NaCl solution and connect it to the
venous vascular access.
 Use the rotary selector to select Start
treatment? [OK] to confirm! and press
[OK].
Note
Once treatment has started and the blood pump has achieved its target
delivery rate, the alarm limits are set automatically after approx.
10 seconds. Following this, the pressure alarm limits must be
checked by the operator and adjusted individually as required.
Warning
When starting the treatment, define the post-filter calcium value. If the
ionised calcium has not decreased at this point, it is absolutely
necessary that the tubing system and the solutions used are checked.
Warning
If the measured post-filter calcium value or systemic calcium value
varies significantly, please consult a physician. Observe the instructions
on taking a sample (see chapter 7.3.2 on page 7-17).
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