Nikolas
Created page with "Atrial fibrillation (or atrial flutter, or other atrial tachycardias) in the setting of Wolff-Parkinson-White syndrome is dangerous as the accessory pathway allows atrial impulses to be conducted to the ventricles in a 1:1 ratio without the AV-node’s delay, causing a ventricular rate of 300 bpm or more, which can degenerate into ventricular fibrillation. This is called '''pre-excited atrial fibrillation'''. The patient is usually..."