How long does it take the ablation procedure for WPW to work?

WPW ablation

Wolff_parkinson_white_syndrome
The procedure can take several hours although sometimes it is much shorter. Afterwards the patient may take a few weeks for rhtym(s) to settle down. Sometimes the first ablation isn't completely successful and the patient has to have additonal procedures.
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Ablation Wolff parkinson white syndrome

Immediately

Heart
Overall the ablation procedure may take 3-4 hours to complete. The goal of the procedure is to eliminate the extra electrical pathway responsible for WPW. Once that pathway is eliminated, there is no longer a risk of rapid heart rates. There is a small risk (about 5%) of the problem returning such that at least one follow up evaluation is recommended.
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Heart Ablation Wolff parkinson white syndrome