A member asked:

I'm a 17 and i was recently told that i have wpw, 4 yr i had a borderline ecg and my recent came back with a wider qrs complex,can wpw come & go (ecg)?

A doctor has provided 1 answer
Dr. Ira Friedlander answered

Specializes in Cardiac Electrophysiology

See my previous: answer. The bypass tract can have variable conduction and be dependent on heart rate. Sometimes apparent and other times invisible on EKG. WPW does not come and go as it is a syndrome. Ventricular pre excitation can come and go depending on the characteristics of the bypass tract.

Answered 3/30/2017

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