Patient monitor User’s manual
Chapter 16-1
Cardiac output (C.O.) module is inserted into the plug-in slot of the
monitor for C.O. measurement. C.O. measurement adopts the thermodilution
method to invasively measure the cardiac output and other hemodynamic
parameters in order to determine the flow rate of the blood circulation system.
As for the thermal dilution method, the cold solution is introduced into
the blood circulation system, and measuring the resulting drop in temperature
at a downstream site. In the window of the C.O. measurement, the temperature
change is shown as a curve, and the monitor will calculate the C.O. value
according to this curve. The C.O. value is inversely proportional to the area
under this curve. Cardiac output is a continuous variable; therefore, to obtain
a reliable C.O. average value, a series of measurements must be carried out.
Generally, the average value of multiple thermal dilution measurements is
used for therapy decision.
1
）
Never reuse the disposable accessories.
2） Never touch the C.O. connecting cable when defibrillation is carried
out during the C.O. monitoring period. Otherwise, electric injury, electric
shock or other damages might be caused.
3） Do not soak or wet the connector.
4） Do not soak the C.O. connecting cable in alcohol; otherwise, the
connecting cable might be hardened or damaged.
5） Never sterilize the C.O. connecting cable at high pressure.
There is no waveform display of C.O. measurement on the main interface,
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