Key result
Parkinsonian muscle tremor mimics atrial flutter on ECG, unmasked by normal P-waves in unaffected leads.
Why the study?
Rapid, bizarre ECG complexes can be caused by artefact and may mimic arrhythmias, complicating accurate diagnosis in abnormal hearts.
Alerts clinicians to ECG artefact and tremor mimics in ambiguous rhythms; leaves open systematic validation of multi-lead criteria.
Rapid, bizarre complexes on ECG may be due to artefact. Occasionally, P-waves may be larger than QRS complexes, especially in very abnormal hearts. Muscle tremor from Parkinson’s mimics atrial flutter, but normalP-waves are visible in less affected leads.
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Robert Scott Millar (2017) studied this question. Muscle tremor from Parkinson's disease mimics atrial flutter on ECG, but normal P-waves are visible in less affected leads.
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