15-10 DELTA/DELTA XL/KAPPA VF8
15 C
ARDIAC OUTPUT (C.O.)
To enter a computation constant
1. From the C.O. menu, click on Comp. Constant. A data-entry screen appears
on the menu’s right side:
2. Enter the computation constant and click on
Accept to confirm your entry.
The manually entered computation constant is displayed to the right of the
Comp. Constant key.
C.O. Measurement Procedures
To measure C.O. in automatic mode
1. Press the C.O. Start fixed key on the hemodynamic pod to display the C.O.
averaging screen. A tone sounds and a READY message appears when the
monitor detects a stable blood temperature.
2. Inject the saline solution into the patient’s bloodstream after you see the
READY message. A thermodilution curve appears, displaying the change in
blood temperature.
3. Repeat step 2 to take an additional measurement, making sure you wait for the
READY message. If a temperature drop is not is detected within four minutes,
the Averaging screen closes, and you must repeat steps 1 and 2 for additional
C.O. measurements.
NOTE: If the monitor detects that a new Edwards/Baxter, BD/Ohmeda, or Arrow
catheter is connected, the monitor automatically chooses the correct computation
constant for you. If the C.O. setup menu is displayed when that occurs, the monitor does
not update its displayed computation constant value until the next C.O. measurement is
taken. The correct value is used for the C.O. measurement, however.
NOTE: If the READY message fails to appear or appears only intermittently, switch to
Manual mode and repeat step 2.
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