V Series Operating Instructions 18 - 7
Cardiac Output (CO) (Optional) Measuring CO
FIGURE 18-4 Example CO Run dialog
7. Start the measurement:
• If Auto Start is set to On, the measurement automatically begins after establishing a baseline
blood temperature.
• If Auto Start is set to Off, prepare the injectate, then select the Start CO button.
NOTE: The Start CO button changes to Stop CO once it is selected.
8. Once injecting the bolus, the CO curve appears, and the CO measurement displays.
NOTE: If a measurement is compromised, as indicated by an Irregular Curve or
error alert message, the curve displays in red and a red displays in
the box (as shown in FIGURE 18-4).
9. Note the injectate temperature and verify that the correct computation constant was selected.
10. Perform subsequent cardiac output runs as needed.
NOTE: Any run with an invalid CO value is excluded from the averaged CO
value.
11. Once a sufficient number of CO runs are complete, select the Accept Average button to
calculate the averaged data.
NOTE: Runs containing green waveform data and a in the upper right
corner of the run indicate that the measurement was included in the
average. Runs containing red waveform data and a red in the
upper right corner of the run indicate that the measurement was not
included in the average.
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