![]() If a patient needs a pacemaker for a short time, perhaps after a heart attack, the battery unit can be worn on a belt. This is known as a demand pacemaker.Ī pacemaker has two parts: a battery-powered generator and wires (leads) that connect it to the heart. It is activated again when the beats are too slow. Most pacemakers have a sensor device that deactivates the pacemaker when the natural heartbeats are over a certain level. An electrode is placed next to the heart wall, and the pacemaker transmits small electrical impulses that reach the electrode through a wire and make the heart contract. Pacemakers use batteries to send electrical impulses to the heart and so help it pump properly. There are two types of pacemakers, permanent (internal) and temporary (external). It does this with a tiny, imperceptible electric impulse that helps control the beat. It is used to replace a defective natural pacemaker or a blocked conduction path that prevents the electrical signal from reaching the heart muscle normally. Cardiovascular Medical Group provides Pacemaker Implantation and Monitoring services.Ī pacemaker is a small, lightweight battery-powered device that helps the heart beat at a regular rhythm.
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