Kt is clearance multiplied by elapsed treatment time. This
value (in litres) can be compared with the accumulated
blood volume (in litres) achieved since treatment start.
Kt/V is a calculation done by the machine depending
on the set distribution volume entered by the operator
of the machine.
Qb is blood flow rate in ml/min.
Key terms:
Diascan is the commercial name for a clearance sensor.
Distribution volume is the urea distribution volume i n
litres (water in the body), estimated for the individual
patient, based on the patient’s dry weight. The estimation
is based on certain formulae used for this purpose, chosen
by the prescribing physician responsible for the patient.
The distribution volume has to be set by the machine
operator in order for a correct Kt/V value to be obtained.
Forecast in this context is a machine-calculated
prediction of the Kt or K t/V value to be achieved at
treatment end.
Target in this context is the desired Kt/V value set by the
operator that is to be achieved at treatment end.
HCEN12239 Revision 12.2010
Program version 3.xx
AK 96
®
Operator's Manual - Diascan
12:5
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