ZOLL E Series Service Manual page 56

E Series Service Manual
Reported Problem
Displayed HR not accurate;
artifact present.
False "Pacer Pulses Seen"
Wandering baseline.
Electronic interference.
2-4
Recommended User Action
• Reduce or eliminate ECG artifact due to electrode or patient cable
movement. Route cables so that they don't pull on electrodes or
swing excessively.
• Ensure patient is motionless.
• Check for possible excessive radio frequency interference.
• Verify a good connection of electrodes to the patient.
• Prepare the patient's skin prior to the electrode attachment.
• Move patient cables away from other electrical equipment,
especially any RFI source.
• Ensure ECG cable fits snugly in unit.
• Change ECG cable.
• Replace/reposition ECG electrodes.
• Disable "Enable Pacer Detection" to reduce the effect of artifact.
The patient does not have an internal pacemaker, but pacer pulses are
displayed.
• Disable "Enable Pacer Detection" to reduce high frequency artifact.
See "Displayed HR not accurate." above.
Check for possible excessive radio frequency interference.
Move patient cables away from other electrical equipment.
Recommended Technical Action
• Check for contamination on snaps. Ensure
springs are intact.
• Check for intermittent ECG patient cable or
connector wiring.
• Replace ECG input connector.
• Replace ECG connector to the system board
cable.
• Replace system board.
Same as above example.
• Turn off sources of excessive RFI.
• Move E Series unit away from RFI source.
9650-1450-01 Rev. D