In-depth

Symptoms

Nausea and vomiting

Sick to your stomach? Nausea and vomiting usually pass quickly but sometimes result from long-term or serious conditions.

Tests and diagnosis

Barium enema

Has your doctor recommended a barium enema exam? Here's what you need to know about preparation and the exam itself.

CT scan

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

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