Wolff-Parkinson-White Syndrome

A special type of PSVT is called Wolff-Parkinson-White syndrome. WPW syndrome is a condition in which the heart's electrical signals travel along an extra pathway from the atria to the ventricles.

This extra pathway disrupts the timing of the heart's electrical signals and can cause the ventricles to beat very fast. This type of arrhythmia can be life threatening.

The animation below shows Wolff-Parkinson-White syndrome. Click the "start" button to play the animation. Written and spoken explanations are provided with each frame. Use the buttons in the lower right corner to pause, restart, or replay the animation, or use the scroll bar below the buttons to move through the frames.

The animation shows how an extra, abnormal electrical pathway in the heart disrupts the normal timing of the heart's electrical signal, causing the atria and ventricles to beat too fast.

Information provided by National Heart, Lung and Blood Institute

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  Atrial fibrillation
  Supraventricular tachycardia
  Ventricular tachycardia
  Sudden cardiac death prevention
  Sudden cardiac arrest
  Wolff-Parkinson-White syndrome
  Heart arrhythmias
  Heart rhythm disturbances
  Congestive heart failure