An accessory pathway can conduct action potentials very fast without any delay (unlike the AV node). Thus in WPW, after the sinus node fires creating an action potential, conduction immediately ...

For some people, the classic symptoms of a sinus infection, including nasal congestion and discharge, are also accompanied by ...

Background Inappropriate sinus tachycardia (IST) occurs relatively common after catheter ablation of slow pathway in patients with atrioventricular nodal reentrant tachycardia. The treatment of ...

Endoscopic sinus surgery (ESS ... that enhances the deposition of corticosteroids into the sinuses and drainage pathways. The ...

Instead, the action potential can travel down the accessory pathway and activate the ventricles rapidly. This short duration between the sinus node firing and the ventricles being depolarized ...