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Suffering from atrial fibrillation. Unable to treat with medicine. Ablation done. History of tachycardia. Repeat EP study required?

Hello, I m a 37 y/o male with hx of AV Nodal reentrant tachycardia s/p ablation in 2003. When I presented to ER in 03 I was in A. Fib. I was recently in ER with another episode of A.Fib, and they were unable to convert me with medication . Do you think another abnormal pathway is the most likey cause, and a repeat EP study would make sense? Thank you!
Asked On : Tue, 10 Jul 2012
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Internal Medicine Specialist 's  Response

As you have said that you have AVNRT , ablation in 2003 , again having A-fib , chemical cardioversion was unsuccessful

The next step would be DC cardioversion after 4-6 weeks with EP studies to be done again to check for any residual pathway.

It is not possible that a single readiofrequency ablation can solve the problem completely.

You need to start on high dose beta blockers + calcium channel blockers.

Pathways between atria and ventricles are usually more than what we see on EP studies , but a review by EP speciailist after cardioversion would be best plan of action

Hope this helps

Take care
Answered: Sun, 21 Jul 2013
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