Noncontact ECG system for unobtrusive long-term monitoring

This paper describes measurements made using an ECG system with QUASAR´s capacitive bioelectrodes integrated into a pad system that is placed over a chair. QUASAR´s capacitive bioelectrode has the property of measuring bioelectric potentials at a small separation from the body. This enables the measurement of ECG signals through fabric, without the removal of clothing or preparation of skin. The ECG was measured through the subject´s clothing while the subject sat in the chair without any supporting action from the subject. The ECG pad system is an example of a high compliance system that places minimal requirements upon the subject and, consequently, can be used to generate a long-term record from ECG segments collected on a daily basis, providing valuable information on long-term trends in cardiac health.