A male asked:
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Could a pacemaker keep an individuals heart beating after a cardiac arrest. If the answer to the above question is yes, then how long would it continue to assist the heart in beating and would it help to prevent brain damage until medical help arrives.

1 doctor answer
Dr. Geoffrey Rutledge
40 years experience in Internal Medicine
Yes. : Yes. A pacemaker is placed in the heart to prevent the heart from beating too slow. As an example a pacemaker may be set to ensure the heart beats 70 times a minute. If your intrinsic heart beats slower than 70, or if your heart stops beating (as in a cardiac arrest), then the pacemaker will send an electrical impulse to the heart to keep beating at 70 beats per minute. To avoid brain damage, the person must also be breathing normally. If the person is not breathing normally (10-20 breaths per minute), call 911 and initate cpr.
Answered on Oct 3, 2016
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Related questions:

A 48-year-old member asked:
Dr. Sergio Schabelman
47 years experience in Cardiology
Yes: pacemaker helps to control or regulate the rhythm (electricity) of the heart. Heart attack is related to blockages of the arteries of the heart (plumb ... Read More
A 47-year-old member asked:
Dr. John Garner
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Yes: Both of these problems are due to issues not addressed by the pacemaker. A heart attack is generally due to a blockage and a heart artery, and cardiac ... Read More
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A 45-year-old member asked:
Dr. Ian Weisberg
18 years experience in Cardiac Electrophysiology
Unrelated: There is far less than a 1% risk of heart attack during pacemaker implantation. Once it is implanted, there is almost no way it could cause a signifi ... Read More
A 45-year-old member asked:
Dr. Budi Bahureksa
30 years experience in Cardiology
Yes: Pacemaker does not protect against heart attack or cardiac arrest.

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