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Doctor insights on: Brain Mri

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What is a brain mri?

What is a brain mri?

Magnetic imaging: MRI is a way to see what is happening with in the brain. The machine use magnetic waves to generate the information that is displayed on a computer screen. This is different than CT which uses X-rays to get the image ...Read more

Dr. Abraham Jaskiel
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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How can a brain MRI be done?

How can a brain MRI be done?

MRI: You will be asked to rest on your back and not move your head during the mri. You will be moved into the scanner. The MRI machine has enormously powerful magnets which will orient hydrogen molecules into a single direction. When a when the magnet energy is changed, the hydrogen atoms give off energy which will be picked up by the computer. ...Read more

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When a brain MRI is necessary?

When a brain MRI is necessary?

See long answer: Your dr. Needs to exam you, and place the need for imaging, such as a “brain mri” in appropriate clinical context. There are detailed criteria that are used in making this determination. You can view them on the website for the american college of radiology appropriateness criteria: http://www.Acr.Org/quality-safety/appropriateness-criteria/diagnostic. ...Read more

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How long can a brain MRI take?

How long can a brain MRI take?

30-40 minutes: For most sequences it can be done in 30-40 minutes, longer if more images are taken. Ct scan is quick, usually only several minutes, but involves low level radiation. You trade image quality for speed. ...Read more

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How long does it take for a brain mri?

How long does it take for a brain mri?

20-60 minutes: It varies depending on how many sequences are required. A basic scan runs about 20 minutes, but if the scan requires specialized looks at specific areas (such as the pituitary, the temporal lobes, or the orbits), or if additional sequences with contrast agent are needed, it can take significantly longer. ...Read more

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What are the dangers caused by a brain mri?

None: They will give you screening form to assess for any possible contraindications but assuming three are none, its very very safe. ...Read more

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On average, how long will a brain MRI take?

On average, how long will a brain MRI take?

45 - 90 minutes: This depends on the particulary MRI sequences and the use of contrast medium. A routine brain MRI without contrast is about 45 minutes or less. Adding contrast adds another 15-20 minutes. An MRI for the pituitary gland, the cranial nerves or the orbits require more time. ...Read more

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What kinds of things show up on a brain mri?

What kinds of things show up on a brain mri?

NUMEROUS ITEMS: Brain MRI is quite precise and allows very discrete images of large and small strokes, areas of old or new bleeding, abnormal blood vessels and tumors, congenital brain malformations, focal and diffuse areas of inflammation, such as infections or multiple sclerosis or vasculitis, etc. ...Read more

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What does 'giant panda' mean on a brain MRI?

What does 'giant panda' mean on a brain MRI?

Anatomic: its an area of the midbrain that on MRI that looks like the face of a giant panda. Frankly, I don't see it. But I can't see those pictures that have hidden objects in them either. It has uncertain clinical significance. Talk to your doctor about what it may mean in your situation. ...Read more

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What is the average cash price for a brain mri?

What is the average cash price for a brain mri?

It depends: Stay out of hospitals and use a free standing mri. Do not be afraid to negotiate a cash price. Finally, offer to pay the hmo reimbursement rate as that is often the lowest. Shop around. ...Read more

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Does a brain MRI need contrast to look at chirari?

Does a brain MRI need contrast to look at chirari?

No: Noncontrasted MRI is the test of choice to radiographically diagnose Chiari's. Be aware that there is something called PHASE-CONTRAST MRI or abbreviated PC-MRI. This imaging technique can be used (and is very useful in some cases when looking at headaches associated with Chiari's) to image the malformation. It DOES NOT utilize IV-contrast though the word "contrast" is in the name of the test. ...Read more

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What could an abnormal brain MRI mean , besides ca?

What could an abnormal brain MRI mean , besides ca?

Many things: There are many causes of an abnormal MRI other than cancer. This list is not all inclusive but may give you an idea of the number of disorders causing an abnormality. Vascular causes include stroke , hemorrhage, a-v malformations, demyelination from ms, lymes disease, infectious causes, hiv, abscess, viral infections, metabolic disorders such as wilson's disease, leukodystrophies and age related dis. ...Read more

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Would a brain MRI without contrast show everything?

Would a brain MRI without contrast show everything?

No: Imaging studies do not show "everything". For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. Get HPV vaccine. ...Read more

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What is the definition or description of: brain mri?

What is the definition or description of: brain mri?

Magnetic field: Magnetic resonance imaging (MRI) is a technique that uses a magnetic field and radio waves to create detailed images of the organs and tissues within your body. ...Read more

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Would a chirari almost always be seen on a brain mri?

Would a chirari almost always be seen on a brain mri?

I assume you: mean Chiari malformations? Yes, they should be seen on brain MRIs. ...Read more

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How long does it usually take to get brain MRI results?

It depends.....: Usually MRI results are read by the radiologist early on... Within a day and usually right away. However, the results must usually be given to your doctor which may take a few days... It's a good idea to ask your doctor this question. ...Read more

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I'm going for my first brain mri, what are things I should ask?

First MRI: Ask if the machine is 'closed' or 'open' . If you have difficulty in close spaces ask for an open machine. Ask what types of things you can bring with you. Metal that can be magnetized is not allowed. Ask about dental braces or metal orthopedic metal. If you are very nervous, ask about sedation. ...Read more

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Can you let me know how many days to get results on a brain mri?

Can you let me know how many days to get results on a brain mri?

Varies: Every testing facility has a different turn around time. The results then get sent to your doctor, and each office has a unique turn around time as well. ...Read more

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Hoping you can tell me, is brain MRI done 3 months ago still valid?

Hoping you can tell me, is brain MRI done 3 months ago still valid?

Validity: It depends on why the MRI was done. If there is no suspicion of a progressive problem in the brain, a 3 month old MRI is probable valid. If there is a question of progressive changes, repeating the MRI may be important. Speak to your doctor about what is suspected. ...Read more