Performing Synchronized Cardioversion
Performing Cardioversion
4-3
ECG mode, leads mode is recommended. Artifact induced by moving the paddles
may resemble an R-wave and trigger defibrillator shock.
Cardioversion can be performed with the instrument in Autogain mode. Always
inspect the displayed ECG before delivering the countershock, and verify that an
R-wave marker (indicating shock point) appears only with each R-wave. If a
marker dot does not appear, or if a marker dot is viewed on the T-wave segment
of the ECG, follow these instructions.
m Adjust the ECG size by pressing until the marker dot appears
only with each R-wave.
m Select a different lead or adjust the electrode placement, if necessary, to improve
ECG R-wave quality.
4 Select the desired energy level with the Energy Select control.
Verifying Defibrillator Operation
Before the cardioversion procedure is started, verify defibrillator operation by
performing the following brief test.
1 Ensure that the paddles connector is attached and the paddles are in their hold-
ers.
2 Ensure that the patient cable is connected to the ECG Input jack in the front of
the defibrillator and the leads are attached to the patient.
3 Turn the Energy Select control to 100 joules.
Keep hands clear of the paddle electrode edges. Use your thumbs
to depress the Shock buttons on the paddle handles.
4 Press . Wait for the Charge Done indicators, and for the Delivered
Energy display to read 100 joules.
5 With the paddles pressed firmly into their holders, press and hold both Shock
buttons at once. The defibrillator will shock with the next detected R-wave.
WARNING
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