Am i at at greater risk of having a second ablation done for svt?

Not necessarily: not if the first ablation was successful.

Not necessarily. : It depends on the underlying etiology of the SVT, and your personal individual risks (i.e. heredity, lifestyle, and other co-morbidities). Moreover, the type of SVT also has an influence ... of associated success with ablations. Therefore, a complete electrophysiological assessment must be borne in mind concomitantly with the rest of your body .... to determine the risk of recurrence.

Ablation: the risk of second ablation is not much different then first one.