In-depth

How to administer first aid for a sprain.

Ankle pain

CT scan

A CT scan is an imaging test that uses X-rays to produce detailed images of the inside of your body.

MRI

MRI uses a magnetic field and radio waves to create detailed images of the organs and tissues within your body.

X-ray

X-rays are a form of radiation that can make images of your bones and internal organs.

Aug. 21, 2014

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