Boston Scientific OPAL HDx

Image Quality Is Poor or Artifacts Are Present

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Asset Type

Electrophysiology Mapping System

Manufacturer

Boston Scientific

Model

OPAL HDx

What This Guide Helps With

Troubleshoots poor mapping display quality, unstable signals, or artifacts caused by electrodes, cables, positioning, interference, connections, or acquisition conditions.

Step-by-Step Troubleshooting

1. Protect the Patient and Do Not Rely on Questionable Data

Do not allow clinical decisions to depend on mapping or displayed information known to be unreliable.

Maintain independent patient monitoring and notify the clinical team that the mapping information may be affected.

Expected outcome: Patient care does not depend solely on questionable mapping or signal information.

2. Define the Artifact

Determine whether the complaint involves:

Ask whether the issue changes when equipment, cables, or the patient moves.

Expected outcome: The artifact pattern and affected signal path are identified.

3. Inspect Patient Electrodes and External Leads

With clinical staff, verify surface electrodes and external patient leads are correctly applied, secure, and undamaged.

Poor contact, loose electrodes, dried conductive surfaces, and cable movement can create significant artifact.

Expected outcome: Patient electrodes and external leads provide secure, stable connections. If correcting an electrode resolves the artifact, troubleshooting can stop after verification.

4. Inspect Catheter and Acquisition Cables

Check accessible catheter interface and acquisition cables for:

Do not manipulate invasive devices without appropriate clinical involvement.

Expected outcome: External acquisition cables are secure and physically intact.

5. Isolate the Problem Using Known-Good Accessories

When clinically appropriate, substitute a compatible known-good cable, lead, or external accessory.

Change one item at a time.

Expected outcome: If the artifact disappears with a known-good accessory, the original accessory is isolated and removed from service.

6. Check Cable Routing and Environmental Interference

Inspect whether signal cables are bundled with power cords, lying across high-interference equipment, under tension, or routed differently than during normal operation.

Look for recently added powered equipment near the procedure area.

Reposition external cables without compromising patient safety or sterile fields.

Expected outcome: Cable routing and environmental conditions do not introduce obvious interference.

7. Verify System and Signal Settings

Confirm staff are using the intended clinical configuration and display settings for the procedure.

Do not make undocumented configuration changes or enter unauthorized service menus.

Compare the current setup with a known normal setup when available.

Expected outcome: The observed artifact is not caused by an unintended external setting or configuration selection.

8. Determine Whether the Problem Is Mapping Data or the Display

If possible, compare signals across available displays or outputs.

Check whether the underlying acquired signal is abnormal or whether only one display device shows visual distortion.

Expected outcome: The problem is isolated to the signal/acquisition path or to an external display component.

9. Perform Final Functional Verification

Using an approved test method when appropriate, confirm stable signal acquisition without unexplained noise, dropout, or visual artifact.

Expected outcome: Signal quality remains stable during observation and normal cable movement. Troubleshooting can stop.

10. Escalate Persistent Signal or Mapping Artifacts

If artifacts remain after electrodes, cables, accessories, routing, displays, and settings are verified, remove the system from service if reliable mapping cannot be assured.

Expected outcome: Unreliable mapping data is not returned to clinical use without qualified evaluation.

If the Problem Persists

Common external electrode, cable, accessory, display, routing, environmental, and configuration causes have been ruled out. The remaining problem may involve acquisition electronics, grounding or infrastructure, software processing, internal communication, or another service-level condition.

The device should be:

Verify signal integrity and required mapping performance before return to service.

Knowing when to stop external troubleshooting is proper troubleshooting.

Clinical Use Tip

Never allow clinicians to rely on mapping information that is visibly unstable or inconsistent with independent patient monitoring.

Work Order Documentation (CCR Method)

CCR = Complaint, Cause, Resolution

Complaint

What was reported by the clinical staff.

Example:
"Clinical staff reported intermittent noise and artifact on the OPAL HDx mapping signals during setup."

Cause

What was observed during troubleshooting.

Example:
"Clinical Engineering isolated the artifact to a damaged external acquisition cable that produced noise when flexed."

Resolution

What action was taken.

Example:
"Clinical Engineering replaced the cable with a known-good compatible cable and verified stable signal acquisition without recurrent artifact."

Helpful Details to Include (If Known)

Final Thought

Treat questionable mapping data as a patient-safety issue, then work logically from electrodes and cables through routing, settings, and acquisition hardware. Verify stable performance before return to service and clearly document the isolated cause.

That is successful troubleshooting.

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