Fibrillation waves

Fibrillation waves make the baseline irregular. They can be fine or coarse (>1 mm). These waves are caused by Atrial Fibrillation. They can be easily confused with baseline artefact, which can also make the baseline look irregular.

Featured Example

References

Related

  • See also: P wave
  • Irregular baselines:

ECG Library (2)

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In the ECGquest archives, this ECG has been tagged with: - Syncope 12-Lead Fibrillation waves Normal rate Atrial fibrillation Sick sinus syndrome Dr Smith's ECG Blog CC BY-NC
Syncope and Atrial fibrillation in a Healthy 70-something Male

This ECG is from a man in his 70s presented with syncope for 20 seconds. He had no past medical history. He recovered fully.