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Wolff–Parkinson–White (WPW) Syndrome

A congenital accessory conduction pathway predisposes to episodes of rapid heart rhythm and, rarely, to serious complications.

Written by: Saygı Hospital Health Guide Editorial Board
Published:

This content is for general information; please consult your physician for diagnosis and treatment.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Kardiyoloji department. Book Appointment →

What is Wolff–Parkinson–White (WPW) Syndrome?

Wolff–Parkinson–White (WPW) syndrome is a congenital condition in which, in addition to the normal AV node, an extra conducting pathway (the accessory bundle of Kent) exists between the atria and ventricles.

This accessory pathway conducts electrical impulses to the ventricles more rapidly than normal; it is seen on the ECG as a short PR interval and a delta wave. The accessory pathway can also create re-entrant circuits leading to supraventricular tachycardia.

Rarely, during atrial fibrillation, rapid conduction through the accessory pathway can result in ventricular fibrillation and sudden death. Catheter ablation is an effective treatment that eliminates this risk.

Symptoms

Sudden-onset, sudden-offset palpitations
Dizziness and weakness
Shortness of breath
Fainting or severe near-fainting
Chest tightness
Symptoms typically begin in youth

Risk Factors

Congenital heart diseases (associated with Ebstein anomaly)
Family history of WPW (rarely familial)
Young male sex (more common)
Caffeine and alcohol (may trigger episodes)
Intense exercise

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • For electrophysiology evaluation when a WPW pattern is noted on ECG
  • Cardiology referral for episodes of palpitations
  • Emergency care if atrial fibrillation or fainting accompanies the pattern
  • Full evaluation before ablation in high-risk athletes or pilots

Treatment Methods

01
Radiofrequency catheter ablation (permanent elimination of the accessory pathway)
02
Prophylaxis with flecainide or propafenone before ablation
03
Avoidance of AV-node–blocking drugs (digoxin, verapamil) in atrial fibrillation
04
IV procainamide or electrical cardioversion for acute episodes
05
Usually no medication needed after successful ablation

Which Department to Visit?

You can visit our Kardiyoloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.