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Asset Type
Electrocardiograph (EKG) Machine
Manufacturer
Model
What This Guide Helps With
Identifies external causes of lead failure or poor signal quality, including electrode placement, cable integrity, connector issues, and patient skin preparation.
Step-by-Step Troubleshooting
Ensure Patient Safety First
- Confirm no patient is actively undergoing an EKG procedure.
Expected outcome: Safe environment for troubleshooting.
Inspect Lead Cables and Connectors
- Check all lead wires for visible damage, fraying, or bent pins.
- Ensure connectors are fully seated in the device.
Expected outcome: Damaged or loose cables are identified.
Verify Electrode Quality and Placement
- Check that electrodes are within expiration, adhesive intact, and correctly placed.
- Ensure skin is clean, dry, and free from oils or lotions.
Expected outcome: Proper electrode adhesion and placement improve signal quality.
Swap Leads or Electrodes
- Replace suspected faulty leads with known good ones.
Expected outcome: Signal improves or fault follows the lead, confirming a defective cable.
Check Device Settings
- Confirm the correct lead configuration (e.g., 12-lead) is selected.
- Ensure gain and filter settings are appropriate for patient condition.
Expected outcome: Device settings support optimal signal acquisition.
Observe for External Interference
- Look for nearby electrical devices, cell phones, or monitors causing artifact.
Expected outcome: Removing interference restores clean signals.
If the Problem Persists
All external checks (cables, electrodes, placement, interference, settings) have been ruled out.
- Remove device from service.
- Label as Out of Service.
- Send for repair or bench evaluation.
Knowing when to escalate prevents misdiagnosis and ensures patient safety.
Clinical Use Tip
Never troubleshoot leads on a patient mid-procedure.
Move the patient to another functional EKG first.
Only connect and test leads when safe and idle.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"Staff reported intermittent or poor-quality EKG signals."
Cause
What was observed during troubleshooting.
Example:
"One lead cable was damaged and one electrode batch was expired."
Resolution
What action was taken.
Example:
"Replaced faulty lead cable and expired electrodes; verified signal quality restored."
Helpful Details to Include (If Known)
- Lead cable serial numbers checked
- Electrode batch and expiration dates
- Specific lead(s) affected
- Observed artifact type (e.g., 60 Hz noise, baseline wander)
- Final device status: Functional after cable/electrode replacement
Final Thought
Effective troubleshooting combines patient safety, methodical inspection, and logical escalation. Document all findings and interventions to support clinical decisions and regulatory compliance. Early recognition of faulty leads prevents misdiagnosis and ensures reliable EKG readings.
That is successful troubleshooting.