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A pacemaker is an electrical device that is used to correct and regulate an abnormal heart rhythm.
A pacemaker is an electrical device that is used to correct and regulate an abnormal heart rhythm. When necessary, a pacemaker will send out electrical signals to stimulate the hearts chambers to contract and relax in a regular way. In effect, pacemakers artificially take over the role of the heart's natural pacemaker. They can be set to work only if needed (on demand) or all the time (fixed rate).
Nowadays pacemakers are comfortable and reliable. Most people live a normal life after they have had a pacemaker fitted.
If the electrical activity of your heart is upset your heart may be unable to pump sufficient blood around your body. This can cause symptoms to occur. You may be tired and lethargic and have an increased risk of falls and blackouts. Depending on your symptoms your heart specialist may suggest fitting a pacemaker device.
Pacemakers are mainly used:
A pacemaker consists of a 'box' and pacing wires:
There is a special type of pacemaker called an implantable cardioverter defibrillator (or 'ICD') which can deliver much stronger electrical impulses to reverse a dangerous heart rhythm.