In-depth

Symptoms

Headache

Most headaches aren't caused by a serious illness, but some could be a sign of a life-threatening condition.

Heart palpitations

Heart palpitations are skipped, fluttering or racing heartbeats that aren't usually a symptom of a serious heart problem. Discover the causes and symptoms of this condition.

Shortness of breath

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

Tests and diagnosis

Cardiac catheterization

Cardiac catheterization is used as a test for some heart conditions and as a procedure to treat some types of heart disease. Find out more.

Chest X-rays

CT scan

Echocardiogram

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

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.

July 25, 2012