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5 Facts About Artificial Cardiac Pacemaker

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A pacemaker is a medical device which uses electrical impulses, delivered by electrodes contracting the heart muscles, to regulate the beating of the heart.

The heart is a muscular organ in humans and other animals, which pumps blood through the blood vessels of the circulatory system.

An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit.

Pacemaker death: Russian woman dies after being sent ... by TomoNews US

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The primary purpose of a pacemaker is to maintain an adequate heart rate, either because the heart's natural pacemaker is not fast enough, or because there is a block in the heart's electrical conduction system.

Heart rate is the speed of the heartbeat measured by the number of contractions of the heart per minute.

Pacemakers | Circulatory System and Disease | NCLEX-RN ... by khanacademymedicine

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Modern pacemakers are externally programmable and allow a cardiologist to select the optimum pacing modes for individual patients.

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Some combine a pacemaker and defibrillator in a single implantable device.

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Others have multiple electrodes stimulating differing positions within the heart to improve synchronisation of the lower chambers of the heart.

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