In-depth

Causes

Brugada syndrome

Chagas disease

Complications

Sudden death in young people

Sudden death in young people is rare, but those at risk can take precautions. Find out more about the risk factors, causes and treatments.

Prevention

Automated external defibrillators: Do you need an AED?

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.

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.

Nausea and vomiting

Shortness of breath

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

Tests and diagnosis

Blood tests for heart disease

Chest X-rays

Coronary angiogram

A coronary angiogram uses special X-rays to examine the inside of your heart's blood vessels. Find out what to expect when you have the procedure.

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.

Nuclear stress test

Treatments and drugs

Angioplasty

Coronary angioplasty and stents can reopen clogged heart arteries if buildup of plaques is causing chest pain, shortness of breath or a heart attack.

Cardiac ablation

Cardiopulmonary resuscitation (CPR): First aid

Coronary bypass surgery

Coronary bypass surgery is a procedure to treat blockage of blood to the heart muscle.

Heart transplant

Implantable cardioverter-defibrillator

Nov. 15, 2012