When you have a rhythm problem with your heart (usually when it beats too slowly or if both sides of your heart don't beat together), you may need a pacemaker.
A pacemaker has two parts: a pulse generator (battery) that produces electrical pulses, and lead wires or electrodes (insulated, flexible wires that carry the electrical impulses to the heart). You may have one, two or sometimes three lead wires.
The generator and the electrode are covered with materials compatible with the human body. The coverings also protect the device from your body fluids.
A pacemaker is usually implanted in one of two ways:
Your doctor will recommend which way the pacemaker will be implanted based on your age, lifestyle and medical condition.
Allina Health's Patient Education Department, Helping Your Heart, fourth edition, cvs-ahc-90648
Allina Health's Patient Education Department experts
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