Performance Procedures

ECG Sync This test checks the performance of ECG synchronization between the monitor and a

Test defibrillator. The ECG sync performance test is required once every year and when the monitor is repaired or when the monitor’s parts are replaced.

Tools Needed:

Dynatech Nevada MedSim 300 or equivalent simulator

Defib Sync Cable (M4820A) or Switchcraft 850

Switchcraft 750

Two sections are needed to complete the connection from the monitor to the simulator.

1.If a Defib Sync Cable is available, connect it the ECG Sync output on the monitor, then to the Switchcraft 750.

or

If a Switchcraft 850 is available, connect it the ECG Sync output on the monitor, then to the Switchcraft 750.

2.Connect the Switchcraft 750 to the SYNC/A PACE input on the simulator

 

Connect to the monitor

Connect to the simulator

 

 

Defib Sync Cable

Switchcraft 750

 

 

Switchcraft 850

Switchcraft 750

 

 

 

 

 

Step

Action

 

 

 

 

1

Connect the ECG leads and trunk cables between the monitor and the simulator

 

(as described above).

 

 

 

 

2

Turn on the monitor and the simulator

 

 

3

On the simulator main menu select DEFB, then CARD to set the simulator to

 

Defibrillator Tests/Cardioversion.

 

 

4

Press Start to begin the test. If the monitor is working properly, the following

 

sequence of text messages will appear on the simulator over a period of

 

approximately 3 seconds: "cardioversion: afib", "cardioversion: sync ok", and

 

"cardioversion: converted" (this message will persist on the simulator)

 

 

5

If the monitor isn’t working properly, messages such as the following may

 

appear: "cardioversion: vfib", "cardioversion: late".

 

 

 

 

4-38Testing the Monitor

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Philips 862478, 862474 manual Defib Sync Cable Switchcraft, Connect to the monitor Connect to the simulator

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