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Misinterpretation of electrocardiogram as a result of cable malfunction

Rami N Khouzam1

  • 1Department of Cardiovascular Diseases, University of Tennessee Health Science Center, Memphis, TN 38104, USA.

Journal of Electrocardiology
|July 9, 2005
PubMed

Insights

A faulty ECG cable mimicked heart condition deterioration. Prompt investigation revealed the malfunction, preventing unnecessary cardiac interventions and ensuring accurate patient monitoring.

Area of Science:

  • Cardiology
  • Medical Diagnostics
  • Patient Safety

Background:

  • Coronary artery disease (CAD) management requires accurate diagnostic tools.
  • Electrocardiograms (ECG) are crucial for monitoring cardiac conditions.

Observation:

  • A patient with known CAD presented with chest tightness and ECG changes.
  • A follow-up ECG showed significant, concerning changes in leads V2-V6.

Findings:

  • The apparent deterioration was attributed to a technical error, specifically a malfunctioning ECG cable.
  • Replacement of the faulty cable resolved the issue, confirming it was not a true clinical decline.

Implications:

  • Highlights the importance of verifying equipment function in diagnostic procedures.
  • Emphasizes critical evaluation of ECG findings to avoid misdiagnosis and unnecessary interventions.
  • Underscores the impact of technical artifacts on patient care pathways.

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