In-depth

Symptoms

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.

Echocardiogram

Echocardiogram allows your doctor to see your heart in motion. Here's what you need to know about the test.

EEG (electroencephalogram)

Here's what to expect if you're scheduled for an EEG (electroencephalogram) — a common diagnostic test for many brain disorders, especially epilepsy.

Electrocardiogram

An electrocardiogram (ECG or EKG) is a test that provides valuable clues about your heart health. Here's what you need to know about the test.

MRI

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

Ultrasound

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

Treatments and drugs

Dermabrasion

Dermabrasion — Overview covers definition, risks and results of this skin-resurfacing procedure.

Laser resurfacing

Laser resurfacing — Overview covers definition, risks and results of this wrinkle treatment procedure.

Psychotherapy

Psychotherapy is one way to treat many mental illnesses. See how therapy is used and which type may be best for you.

Nov. 01, 2011