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    I need an MRI scan. How does MRI work?

    Posted by Ravi Sohal on Thu, Sep 10, 2009
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    mri ankle remakehealthMRI scans are frequently used to detect and monitor many diseases. Though tens of millions are performed each year in the U.S. many patients have questions about what MRI does, how it works, and its effects, etc.
     
    Below is a short video with Dr. Kenneth Chin who is a Radiologist and he answers many questions about MRI scans. The questions (in order) are listed below for your reference.
     
    • What does 'MRI' stand for?
    • What is 'MRI'?
    • How does MRI differ from an X-ray?
    • Is MRI painful?
    • Who is qualified to perform MRI?
    • How long does MRI last?
    • In what circumstances would I need to have MRI done?
    • Is getting MRI safe?
    • Why do I need to tell the radiologist if I have metal in or on my body when getting an MRI?
    • How can I prepare for MRI?
    • What can I expect when getting MRI?
    • How does someone with claustrophobia get through MRI?
    • Do I need to tell the radiologist if I am pregnant or breast feeding when getting an MRI?
     

    Diagnostic Radiology: MRI

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    What does an MRI scan sound like?

    Posted by Ravi Sohal on Tue, May 19, 2009
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    MRI scans make buzzing and clicking noises. They can be very loud and patients are often given ear plugs to dampen the noise. Open MRI units make similar noises but are not as loud. Below is a short clip from a closed MRI thanks to Dr. Hess and his wonderful Google Knol on brain MRI and CT. As Dr. Hess explains in his post, the noise is not from moving parts but from electronic switching of magnetic coils.

    You may want to adjust your computer speaker volume before playing the clip.


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