Monitoring Cardiac Output
12-6
12.5 Measuring the Blood Temperature
As shown below, the blood temperature is measured with a temperature sensor 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.
12.6 Changing C.O. Settings
12.6.1 Setting the Temperature Unit
In the [C.O. Setup] menu, select [Temp Unit] to toggle between [ºC] and [ºF].
12.6.2 Setting the Interval between Measurements
To avoid inaccurate measurements, a certain period of time should be allowed for the blood
temperature to become stable before starting a new measurement. To set the interval
between two measurements, in the [C.O. Setup] menu, select [Interval (s)] and enter an
appropriate value. Every time when a measurement is completed, the monitor will count
down the remaining time and give corresponding prompt messages.
Balloon
Sensor
Pulmonary artery
Right artrium
Right ventricle
PA catheter
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