In-depth

Symptoms

Fatigue

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

Shortness of breath

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

Tests and diagnosis

Chest X-rays

Even with today's high-tech medical devices, the basic chest X-ray remains an important tool in diagnosing various conditions. Here's a look at how it works.

CT scan

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

Spirometry

Spirometry is a simple office test used to check how well your lungs are working.

Treatments and drugs

Hyperbaric oxygen therapy

Hyperbaric oxygen therapy, a procedure used to increase blood oxygen levels, can help wounds heal, fight infection and treat decompression sickness.

Jun. 03, 2011