The main causes of<unk>  are: *Wrist trauma, with or without a fracture *Scaphoid fracture: bony<unk>  *Distal radius fracture: compensatory<unk>  *Malunion of radius fracture: adaptive<unk>  *Scapholunate ligament<unk> : ligamentous<unk>
Dorsal intercalated segment instability
Congenital fiber type disproportion
Ventricular dyssynchrony
Electromagnetic hypersensitivity
Progressive cardiac conduction defect
Sinus node dysfunction
Ventricular outflow tract obstruction
Mitral annular disjunction