A pacemaker is a small, battery-operated device that helps the
heart beat regularly and at an appropriate rate. Artificial
pacemaker; Permanent pacemaker; Internal pacemaker; Cardiac
resynchronization therapy; CRT; Biventricular pacemaker A
pacemaker generally has two parts: - Generator - contains the
battery and the information to control the heartbeat - Leads -
wires used to connect the heart to the generator and send the
electrical impulses to the heart to tell it to beat Today's
generators weigh a little less than an ounce (30 grams). The
pacemaker's battery can last about 7 to 8 years. It will be
regularly checked by your doctor, and replaced when necessary.
Traditional pacemakers help control the right side of the heart
to control the heart beat. This is called AV synchronization. A
special type of pacemaker, called a biventricular pacemaker,
works on both sides of the heart,. It synchronizes the right and
left chambers (ventricles) of the heart and keeps them pumping
together. This is called cardiac re