intrinsic cardiomyopathy +

arrhythmogenic biventricular cardiomyopathy
arrhythmogenic left ventricular cardiomyopathy
arrhythmogenic right ventricular cardiomyopathy +
dilated cardiomyopathy +
hypertrophic cardiomyopathy +
infantile histiocytoid cardiomyopathy
left ventricular noncompaction
restrictive cardiomyopathy +

Andersen-Tawil syndrome
Jervell-Lange Nielsen syndrome
long QT syndrome 1
long QT syndrome 10
long QT syndrome 11
long QT syndrome 12
long QT syndrome 13
long QT syndrome 14
long QT syndrome 15
long QT syndrome 16
long QT syndrome 2
long QT syndrome 3
long QT syndrome 4
long QT syndrome 5
long QT syndrome 6
long QT syndrome 8
long QT syndrome 9