Subcutaneous implantable defibrillator: State-of-the art 2013

Table 3 Subcutaneous implantable cardioverter-defibrillator patient suitability

Suitable	Unsuitable
Young and active	Present (or high risk of) AV conduction loss requiring pacing
No venous access	Recurrent monomorphic VT
Permanent indwelling catheters	CRT indication
High infection risk
Electrical heart disease
Congenital structural heart disease

AV: Atrioventricular; CRT: Cardiac resynchronization therapy; VT: Ventricular tachycardia.