ZOLL M Series Defibrillator Rev R - Manual (Page 67)

M Series Service Manual
57
Displayed HR not accurate;
artifact present.
• 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.
• 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.
Wandering baseline. See “Displayed HR not accurate.” above. Note that
in 90% of electrode issues, size and lead changes
don’t help.
Same as above example.
Electronic interference. Check for possible excessive radio frequency
interference.
Move patient cables away from other electrical
equipment.
• Turn off sources of excessive RFI.
• Move M Series unit away from
RFI source.
Reported Problem Recommended User Action Recommended Technical Action