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Doctor insights on: Does An Mri Expose Me To Any Unnecessary Radiation

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Does an MRI expose me to any unnecessary radiation?

Does an MRI expose me to any unnecessary radiation?

No: Mri (magnetic resonance imaging) uses magnetic fields rather than radiation. That is one of the benefits of using MRI instead of ct ("cat scans") or x rays. As far as we know, exposure to this level of magnetic energy is not harmful. If you have a pacemaker, cochlear implant, implanted nerve stimulator, or other metal in your body, you may not be able to have an mri. ...Read more

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Dr. Tiffanie Noonan
5 doctors shared insights

Mri (Definition)

Mri or magnetic resonance imaging is one of the more recently developed imaging modalities available to physicians. It uses powerful magnets to generate images. There is no ionizing radiation which is a major advantage over many other modalities. Mri is the best imaging exam that we have for most soft tissue and joint related problems. There are radiologists ...Read more


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Will a hida nuclear scan expose me to dangerous radiation?

Will a hida nuclear scan expose me to dangerous radiation?

No: All imaging tests that expose a patient to radiation should only be performed for certain conditions/symptoms. That is called appropriate use. Medical radiation is a useful tool, but it should not be used unless necessary to help make a diagnosis. Radiology is always trying to balance radiation dose with image quality. This is called alara - as low as reasonably achievable. ...Read more

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Do I need to worry about radiation effects from an x-ray?

Do I need to worry about radiation effects from an x-ray?

The theoretical: increased risk for any individual xray is minimal. For a medically indicated xray, the diagnostic benefit outweighs the minimal risk, so although it is always prudent to be aware of cumulative xray exposure, worrying excessively about X-rays could lead to imprudent and dangerous health care decisions. You can calculate the risks at xrayrisk.com. ...Read more

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How can I detox radiation from ct scans? I'm refusing further tests, but I want to know if there's any way to help cells after 2lung ct scans & 1 head

Sorry no way: No such thing as detox'ing yourself following radiation exposure. Nice concept....tincture of time is the ONLY thing known in the universe that dissipates excessive radiation from one's body. ...Read more

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Does working in the radiation oncology department expose me to enough radiation to make it more likely i'll get cancer?

Does working in the radiation oncology department expose me to enough radiation to make it more likely i'll get cancer?

No: Its too small to measure. Risk for various professions have been reported. Such that dying from this is much less likely than a construction worker for example. Also the radiation exposure is virtually nil since radiation is produced electrically (versus cobalt machines) and workers are outside the room. Being inside the room with radioactive substances increases your risk. ...Read more

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Is it a good idea to expose myself to radiation of hip cat scan just for informational reasons not per surgery or pain?

Informational?: Diagnostic imaging requiring xrays should always be performed to answer a clinically important question. The radiation dose is small but no patients should expose themselves needlessly. ...Read more

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Does an EEG use any radiation?

Does an EEG use any radiation?

No: Eeg uses an array of scalp electrodes to measure electrical activity generated by neurons in the brain, and does not require any radiation, dye, or strong magnetic fields. It is an extremely safe test. ...Read more

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Would an xray of growth plate be risking too much exposure to radiation? Want 2 know if done growing, doc says radiation exposure isnt good

Not dangerous: You're fine. We X-ray bones with growth plates all the time. It would take literally thousands of X-rays of the same bone to produce radiation damage. We're exposed to tiny amount of radiation every day; there is a certain "background radiation" from various sources, mostly radon gas trapped in buildings. A single X-ray is about the same as a 3 hours of this normal exposure. So don't worry ...Read more

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Do you think that me getting an x -ray done at the orthodontist would show of any possible brain tumors?

Do you think that me getting an x -ray done at the orthodontist would show of any possible brain tumors?

No: Most tumors would not show on any xray done at an orthodontist's office. Different imaging techniques are needed to visualize brain tumors. ...Read more

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Could permanent makeup interfere with an mri? I know you are supposed to let the MRI technicians know before an MRI if you have tattoos. Could permanent makeup also interfere with an mri? .

Could permanent makeup interfere with an mri? I know you are supposed to let the MRI technicians know before an MRI if you have tattoos.  Could permanent makeup also interfere with an mri?

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During : During an MRI tattoos (permanent makeup) can cause swelling or burning in the affected areas. This is very rare. The pigments of tattoos are fairly unregulated and some contain metal components which are susceptible to the strong magnetic waves produced during the imaging study. Due to the presence of these metals a tattoo can compromise the quality of the MRI image in the area being studied. In your example, this would involve the regions around the eye. Be healthy and be well, james m. Ridgway, md. ...Read more

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Can you tell me of any way to overcome claustrophobia for fmri / MRI brain scan?

Can you tell me of any way to overcome claustrophobia for fmri / MRI brain scan?

A clinical psycholo-: -gist can help w/a treatment called systematic desensitization or self hypnosis training. If time and circumstances do not allow, practice visualizing the process, backing off and relaxing, then doing it again. Belly breathing is effective, not just chest breathing but don't hyperventilate. Like many things, it easier than you think. Peace and good health. ...Read more

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Myoview stress test uses radioactive injections, is this dangerous? Some say it's an absurd amount of radiation. My need to change to a CT scan ?

Myoview stress test uses radioactive injections, is this dangerous? Some say it's an absurd amount of radiation. My need to change to a CT scan ?

It is not: an absurd amount of radiation. The average effective radiation is slightly more than a standard chest CT. A coronary artery CT angiogram, on the other hand, is nearly twice as much radiation as a myoview stress test, and doesn't provide the same information. The radionuclide used in the stress test, technetium 99m, has been safely used in medicine for more than 50 years. ...Read more

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I had a head computer assisted tomography scan and want to know if radiation used?

I had a head computer assisted tomography scan and want to know if radiation used?

Yes: It is true that ionizing radiation (x-rays) are used but the dose for a single ct of the head is low and should not have any effects. ...Read more

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Is there something they will give me for anxiety when i'm doing the lumbar CT scan with dye?

Is there something they will give me for anxiety when i'm doing the lumbar CT scan with dye?

Maybe, if needed: Some people with lumbar radiculopathy find it painful to lie flat. While a ct is relatively brief, it does require the person lay motionless for a few minutes. A small dose of valium does wonders for that, and there is no harm in making the procedure less unpleasant. Some people get anxious in tight spaces too. Your pain doc or family doc could prescribe a small dose of Lorazepam or diazepam. ...Read more

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What is a significant thing radiographers can do to reduce X-ray exposure to patients during fluoroscopy?

What is a significant thing radiographers can do to reduce X-ray exposure to patients during fluoroscopy?

Do it fast.: Using the least amount of fluoroscopy time is the most important factor. Collimating the x-ray beam to the smallest size required to cover the area of interest will reduce exposure further. Using fewer frames per second during digital fluoro is another factor as is using a higher voltage x-ray beam. ...Read more

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R u exposed to any radiation when u do a xray or CT scan...

Yes: X-rays and ct scans are based on radiation for visualization. Thus there is definite radiation exposure when using these modalities. Mri is based on magnetic waves and does not use radiation. ...Read more

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Do you think steve jobs cancer was due to any inadvertant exposure to radiation or computer chemicals?

Do you think steve jobs cancer was due to any inadvertant exposure to radiation or computer chemicals?

Do not discuss other: Hipaa and etiquette prevent discussion of other peoples lives whether they are celebrities or otherwise. Could you ask the question in a different form. ...Read more