In-depth

Symptoms

Coma

Coma is often a complication from a severe brain injury that leaves a person unconscious and unresponsive. Many people recover from this condition.

Fatigue

Fatigue can signal many things. Here are some tips to help you decipher why you're wiped out and to regain your energy.

Nausea and vomiting

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

Shortness of breath

Shortness of breath can be frightening. Most of the time, a heart or lung condition is the cause.

Tests and diagnosis

CT scan

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

Kidney biopsy

A kidney biopsy — removing a small piece of kidney tissue for viewing under a microscope — helps with diagnosis and treatment of kidney problems.

Ultrasound

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

Urinalysis

Urinalysis can be used to assess your overall health, detect a wide range of disorders, or monitor a medical condition or treatment.

Jul. 06, 2012