Is TENS contraindicated for patients who suffering pacemaker or defibrillator?
TENS is not recommended for patients with know heart disease without physical evaluation of possible risk. TENS devices can affect the operation of demand type cardiac pacemakers. So it not suitable for those using a demand type pacemaker. And do not stimulate over the eyes or carotid sinus nerves. If you have epilepsy or heart disease please seek medical advice before use.