15-5
In the buttons area, you can:
Select [Start] to start a C.O. measurement.
Select [Stop] to stop the current measurement.
Select [Cancel] during a measurement to cancel the measurement. Selecting it after a
measurement deletes the measured results.
Select [X-Scale] to adjust the scale of the X-axis. Options for scale range are 30 s and
60 s.
Select [Y-Scale] to adjust the scale of the Y-axis. Options for scale range are 0.5ºC,
1ºC and 2.0ºC.
Select [Record] to print out the most recently-measured curve and numerics by the
recorder.
Select [Setup >>] to access the [C.O. Setup] menu.
Select [Calc >>] to access the [Hemodynamic Calculation] menu.
NOTE
z During the cardiac output measurement, blood temperature alarms are inactive.
15.5 Measuring the Blood Temperature
As shown below, the blood temperature is measured with a thermistor at the distal end of
the catheter in the pulmonary artery. During C.O. measurements, blood temperature alarms
are suppressed to avoid false alarms. They will automatically recover as soon as the C.O.
measurements are completed.
Balloon
Thermistor
Pulmonary artery
Right atrium
Right ventricle
PA catheter
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