a pacemaker (or synthetic pacemaker, so as not to be careworn with the herbal pacemaker of the heart) is a medical tool that generates electrical impulses delivered with the aid of electrodes to settlement the heart muscle mass and modify the electric conduction system of the heart.
the number one motive of a pacemaker is to hold an ok heart price, either due to the fact the heart's natural pacemaker isn't always rapid sufficient, or due to the fact there is a block within the coronary heart's electric conductive gadget. current pacemakers are externally programmable and allow a cardiologist to select the foremost pacing modes for person sufferers. a few combine a pacemaker and defibrillator in a single implantable device. others have a couple of electrodes stimulating differing positions inside the coronary heart to improve synchronization of the ventricles, the lower chambers of the coronary heart.