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Why the physician order one test over the other? 

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Why the physician order one test over the other? 

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The physician would order your test based on your symptoms and your past medical history. If you already had a CT scan they might order a MRI or a PET. If youve had a PET they might order a CT or MRI scan. If youve had a MRI they might order a PET or CT scan. Just depends on whats wrong with you.

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It looks for anything in your body. It can also help diagnose or monitor treatment for a variety of conditions within the chest. It helps do this because it gives detailed pictures of the body.

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CT- There isnt a set cost it all depends on where you live and your insurance but a brain CT is around $1,200

PET- About $4,900 but for the whole body its $6,700 and for the heart and brain its $6,800

MRI- MRI's in the U.S. cost around $2,611

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It evaluates your organ adn tissue function, it may also detect the early onset of disease.

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Difference in a CT scan, PET scan and MRI test. 

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Difference in a CT scan, PET scan and MRI test. 

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CT- detects bleeding and diseases, painless, fast, basically an X-ray.

PET-Help evaluate your organ and tissue function using small amounts of radioactive material, and and special camera and computer.

MRI- Uses radio waves and a computer to produce detailed pictures of the inside of your body. can help diagnose or monitor treatment for a variety of conditions within the chest

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Helps detect a variety of diseases and conditions. It is also used to detect bleeding.