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.
†Safety classification according to the US FDA pregnancy risk classification. ↓: Decrease; AVNRT: Atrioventricular nodal re-entry tachycardia; AVRT: Atrioventricular re-entry tachycardia; BP ...
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