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uses of radioisotope

A 41-year-old member asked:
Dr. Jason Rubenstein
19 years experience Cardiology
For energy.: Many years ago, there were some pacemakers that had "nuclear batteries" - they were powered from the plutonium-238 radioisotope. These batteries last ... Read More
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Dr. John Garner
15 years experience Cardiology
None anymore: In the 70s they had a plutonium powered pacemaker than ran off the heat from radioactive decay. Those are no longer made (i think it's ~3000 that wer ... Read More

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A 32-year-old member asked:
Dr. Steven Saunders
42 years experience Internal Medicine
Radioisotopes: Many uses in scans to diagnose different disease such as thyroid cardiac bone.
A 48-year-old member asked:
Dr. Steven Saunders
42 years experience Internal Medicine
Radioisotopes: Treatment of prostate cancer through seed implantation. Thyroid cancer and overactive thyroid with radioactive iodine.
A 21-year-old member asked:
Dr. Edward Neilsen
18 years experience Family Medicine
Visibility: Radioisotopes make molecules that are not typically visible on x-rays to show up. In the example of pet, a common molecule used is a radioisotope of ... Read More
A 35-year-old member asked:
Dr. Gerald Mandell
51 years experience Nuclear Medicine
Functional imaging: Nuclear medicine is use of internal ionizing radiation in form of radioisotopes by intravenous injection, ingestion, catheterization of bladder or inh ... Read More
A 39-year-old member asked:
Dr. Richard Bensinger
51 years experience Ophthalmology
Diagnosis and treat: Radioisotopes are radioactive atoms affixed to various chemicals and biological compounds which can then localize sites of disease in the body. They ... Read More
A 35-year-old member asked:
Dr. Richard Bensinger
51 years experience Ophthalmology
Several ways: Radioisotopes are used in diagnostic scanning. They are used as the radioactive basis for radiotherapy for tumors and other conditions. They can be ... Read More
A 38-year-old member asked:
Dr. Ralph Morgan Lewis
37 years experience Family Medicine
Iodine 131 uses: Major uses include the treatment of thyrotoxicosis (hyperthyroidism due to graves disease), sometimes hyperactive thyroid nodules (abnormally active t ... Read More
A 46-year-old member asked:
Dr. Thomas Knecht
A Verified Doctor answered
A US doctor answered Learn more
Great treatment: Hi. I assume you're talking about radioactive iodine (specifically 131-I) for hyperthyroidism and not thyroid cancer. 131-Iodine is my preferred treat ... Read More
A 41-year-old member asked:
Dr. Chirag Patel
Specializes in Neurology
Nuclear medicine/PET: Radiotracer examples include 18F-FDG and 18F-DOPA. Because of their increased metabolic demand, brain tumors will "light up" with the radiotracer on P ... Read More

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