In-depth

CT scan

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

Diarrhea

Here's information about common causes of diarrhea and when to see your doctor.

Ultrasound

Ultrasound imaging uses high-frequency sound waves to create images of structures in your body.

X-ray

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

Dec. 14, 2012

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