It is thought the causing mechanism of<unk><unk>  is a more excitable ion channel system, which causes a quicker myocardium contraction. Studies have shown that higher testosterone levels in males result in an increased outward potassium currents causing J point elevation.
Benign early repolarization
AV nodal reentrant tachycardia
Wandering atrial pacemaker
Drug-induced QT prolongation
Atrioventricular reentrant tachycardia
Junctional ectopic tachycardia
Catecholaminergic polymorphic ventricular tachycardia
Pre-excitation syndrome