Key result
Intermittent pre-excitation in Wolff-Parkinson-White syndrome does not preclude the risk of very rapid conduction during atrial fibrillation.
This case challenges the traditional belief that intermittent pre-excitation in Wolff-Parkinson-White syndrome indicates a low risk of rapid conduction during atrial fibrillation.
Urges caution in risk stratification for intermittent pre-excitation; hypothesis-generating case report requiring prospective validation.
It has been reported that the presence of intermittent pre-excitation indicates low risk of rapid conduction via the accessory pathway in atrial fibrillation. We report a case of a 10-year-old boy with a history of intermittent pre-excitation who presented with atrial fibrillation with very rapid conduction.
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Paul et al. (2015) studied this question. Intermittent pre-excitation in Wolff-Parkinson-White syndrome does not preclude the risk of very rapid conduction during atrial fibrillation.
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