MRI Flashcards

1
Q

How does an mri generate images

A

Through magnetic fields and radio waves

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2
Q

4 Positives to using an mri

A

Scans soft tissue, shows abnormal body water, non invasive, can be noisy but ear protection can be offered

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3
Q

5 Limitations of using an mri

A

MRI can take a long time, more expensive, claustrophobia, reactions to contrast agents, can sometimes damage metal devices implanted in the body

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4
Q

What can ionising radiation do to the body

A

Cause a range of conditions and damage white blood cells and stem cells

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5
Q

What are 2 disadvantages to using x-ray

A

-ionising radiation so damages tissue
-clear contrast but low definition so small blood clots and tumours may not show up

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