S10/S12/S10A/S12A Patient Monitor User’s Manual
14-8
Problem Solution
Cannot find out
C.O. parameter area
on the interface
1. Check if the display of C.O. parameter is set in the
【Screen Layout】 menu. For details, see 3.6.2 Setting
Display Screen.
2. Check whether the C.O. parameter switch is on or not. For
details, see 3.6.1 Setting Parameters.
3. Check if the patient type is adult.
4. Check whether the C.O. cable, floating catheter and liquid
temperature sensor are connected or not.
Suspected that the
C.O. measurement
is inaccurate
1. Check whether the floating catheter position is correct or
not.
2. Check out whether the catheter coefficient matches the
injection temperature, volume, and temperature measurement
methods.
3. Inject the solution quickly and smoothly.
4. Complete each injection in 4 to 5 seconds.
5. Increase the volume of the injection or lower the
temperature of the injection.
6. Check the 【Setup】 page, the patient's 【Height】 and
【Weight】 settings are correct.
7. Check 【Setup】 page, when 【TI Source】 is manual,
【TI Value】 is input correctly.
C.O. Measurement
failure
1. Increase the volume of the injection or decrease the
temperature of the injection. Check that the temperature of the
injection must be at least 10℃ lower than the temperature of
the patient's blood.
2. Complete the injection smoothly within 4 to 5 seconds.
3. Check whether the C.O. cable, floating catheter and liquid
temperature sensor are connected or not.
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