To actively involve or captureEffective depolarization of the atria and/or the ventricles by an artificial pacemaker. An electronic pacemaker, or just pacemaker, delivers electrical current to the heart to stimulate depolarization. Pacemaker leads may connect with ventricular tissue and/or atrial tissue (permanent or transvenous... attention, fostering participation or interest. Engagement is like a magnet—it draws people in and keeps them connected.