If an action potential is able to traverse the accessory pathway and then return retrograde through the AV node ― or vice versa ― a reentrant circuit can be created, resulting in AVRT.
Peter Spector, M.D.; Nicole Habel, M.D. In AVRT atrial activation is dependent upon ventricular activation. It is nonetheless possible to introduce a late PVC (for example, in the right ...
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