Symptoms can include palpitations, dizziness, fainting, shortness of breath, anxiety, sweating, and chest discomfort or pain.

When every other beat conducts through an accessory pathway causing a short PR interval and a delta wave, the term WPW alternans is used. The accessory pathway that is exists is refractory on an ...

The main distinguishing feature between LGL and WPW syndromes is that the accessory pathway in LGL syndrome connects distally to the normal conduction pathway (bundle of His), and in WPW the ...