Modern heart pacemakers are powered by a radioactive element called Plutonium-238. This element is used as a power source for the small device that helps regulate the heart's rhythm in patients with irregular heartbeats.

Plutonium-238 is a highly radioactive isotope that emits alpha particles, which can be converted into electricity to power the pacemaker. This element has a half-life of 87.7 years, which means it can provide a long-lasting and reliable power source for the device.

Despite its radioactive nature, Plutonium-238 is considered safe for use in pacemakers as it is encased in a protective shield that prevents radiation exposure to the patient. The amount of radiation emitted by the element is minimal and poses no harm to the individual wearing the pacemaker.

For more information on how Plutonium-238 is used in modern heart pacemakers, you can visit this study conducted by the National Center for Biotechnology Information. The study provides detailed information on the benefits and safety of using radioactive elements in medical devices.

In conclusion, Plutonium-238 is a crucial element in powering modern heart pacemakers and plays a vital role in helping patients with heart conditions lead a healthier and more active life. The use of this radioactive element has revolutionized the field of cardiology and continues to improve the quality of life for individuals with heart rhythm disorders.

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