<unk>  is the most common form of inherited long QT syndrome, affecting an estimated 1 in 7,000 people worldwide.
Romano–Ward syndrome
Brugada syndrome
Witteveen–Kolk syndrome
Andersen–Tawil syndrome
Townes–Brocks syndrome
Laugier–Hunziker syndrome
Baggio–Yoshinari syndrome
Morgagni Stewart Morel syndrome