<unk>  <unk>  is a pre-excitation syndrome of the heart. Those with<unk>  syndrome have episodes of abnormal heart racing with a short PR interval and normal QRS complexes seen on their electrocardiogram when in a normal sinus rhythm.<unk>  syndrome was originally thought to be due to an abnormal electrical connection between the atria and the ventricles, but is now thought to be due to accelerated conduction through the atrioventricular node in the majority of cases. The syndrome is named after Bernard<unk> , William Francis<unk> , Jr., and Samuel A.<unk> .
Lown–Ganong–Levine syndrome
Wolff–Parkinson–White syndrome
Lucey–Driscoll syndrome
Morgagni Stewart Morel syndrome
Bhaskar–Jagannathan syndrome
Claude's syndrome
Witteveen–Kolk syndrome
Townes–Brocks syndrome