15-8 DELTA/DELTA XL/KAPPA VF8
15 C
ARDIAC OUTPUT (C.O.)
Catheters (Comp. Constant)
The monitor compensates for discrepancies in catheters used to measure C.O. The
catheter compensation factor is listed as Comp. constant on the C.O. setup menu.
If you use an Edwards/Baxter, BD/Ohmeda, or Arrow catheter, the computation
constant is automatically chosen for you. You can, however, enter a different value
(whenever, for instance, you change either injectate volume or temperature).
Choosing a catheter type determines the available choices under
Catheter Size and
Injectate Volume. The following tables list the computation constants for Edwards/
Baxter, BD/Ohmeda, and Arrow catheters.
WARNING: An incorrect computation constant may yield
incorrect C.O. measurements and put the patient at risk.
Confirm that the manually entered computation constant is
correct for the catheter you are using.
Edwards/Baxter
Injectate Temperature (IT)
Sensor connected
IT Sensor
disconnected
Catheter
Size
Injectate
Volume IT = -5° to +16° IT = 16° to 27°C IT = 0°C
7F 10 cc 0.561 0.608 0.542
7F 5 cc 0.259 0.301 0.247
7.5F 10 cc 0.574 0.595 0.564
7.5F 5 cc 0.287 0.298 0.257
5F 5 cc 0.285 0.307 0.270
BD/Ohmeda
Injectate Temperature (IT)
Sensor connected
IT Sensor
disconnected
Catheter
Size
Injectate
Volume IT = -5 °C to +16 °C IT = 16 °C to 27 °C IT = 0 °C
7.5F 10 cc 0.579 0.628 0.566
7.5F 5 cc 0.281 0.309 0.270
7.5F 3 cc 0.160 0.181 0.151
7F 10 cc 0.579 0.628 0.566
7F 5 cc 0.281 0.309 0.270
7F 3 cc 0.160 0.181 0.151
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