I suspect that your Holter results showed that you have sinus tachycardia which is an acceleration of the normal sinus heart rhythm. If you have WPW, you also should have a specific abnormality on your ECG called a delta wave. Since your echocardiogram did not reveal mitral valve prolapse, I don't think that you have this disorder either. Thus, I suggest that you see your own physician again to clear up the confusion and to get recommendations on how to proceed from here. I hope you find this information useful.
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