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Wolff-Parkinson-White pattern
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Wolff-Parkinson-White pattern

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Contributors: Ryan Hoefen MD, PhD
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Synopsis

A cardiac conduction disorder characterized by the presence of an accessory atrioventricular conduction pathway resulting in ventricular pre-excitation, electrocardiographically recognized by a short PR interval and a slurred upstroke at the onset of the QRS complex, termed a "delta wave." Conduction through this pathway can result in atrioventricular reentry tachycardia (AVRT) as well as very rapid ventricular rates in the setting of atrial fibrillation or atrial flutter. Extremely rapid ventricular rates sometimes seen in this setting can result in hemodynamic instability and degeneration to ventricular fibrillation. Patients may present with palpitations and/or syncope, although some will be asymptomatic with incidental finding of the characteristic ECG pattern.

For more information, see OMIM.

Codes

ICD10CM:
I45.6 – Pre-excitation syndrome

SNOMEDCT:
74390002 – Wolff-Parkinson-White pattern

Differential Diagnosis & Pitfalls

Best Tests

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References

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Last Updated: 03/29/2017
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Wolff-Parkinson-White pattern
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Wolff-Parkinson-White pattern : Chest pain, Dizziness, Heart palpitations, Syncope, Tachycardia, Dyspnea, Presyncope
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