What is the appearance of abnormal QRS complexes in Wolff-Parkinson-White (WPW) syndrome?

Updated: Jan 08, 2017
  • Author: Christopher R Ellis, MD, FACC, FHRS; Chief Editor: Mikhael F El-Chami, MD  more...
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Answer

The abnormal QRS complexes of WPW syndrome, when present, may appear similar to those observed in acute myocardial infarction (MI), left ventricular hypertrophy (LVH), and hypertrophic cardiomyopathy. Repolarization abnormalities are common in patients with WPW syndrome, and thus, acute MI and LVH cannot be diagnosed if a delta wave is present.


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