Medical Definition of Internal pacemaker

Internal pacemaker: A device that uses electrical impulses to regulate the heartrhythm or to reproduce that rhythm. An internal pacemaker is one in which the electrodes into the heart, the electronic circuitry and the power supply are implanted (internally) within the body.

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QUESTION

In the U.S., 1 in every 4 deaths is caused by heart disease. See Answer

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Reviewed on 12/31/2018