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➜What do you understand by Pacemaker of heart ?
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Answer:
A pacemaker is a small electronic device implanted under the skin that sends electrical impulses to the heart muscle to maintain a suitable heart rate and to prevent slow heart rates
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Pacemaker: A system that sends electrical impulses to the heart in order to set the heart rhythm. The pacemaker can be the normal "natural" pacemaker of the heart or it can be an electronic device.
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