What is the role of lab testing in the diagnosis of 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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No specific diagnostic laboratory studies are indicated. If laboratory values are obtained, it is reasonable to check electrolytes, including potassium, magnesium, and calcium, which may all potentially contribute to dysrhythmias. Assessment of arterial blood gases, electrolyte levels, and lactate levels may be appropriate, as well as drug screening.

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