In-depth

Causes

Brugada syndrome

Brugada syndrome is a serious, genetic disorder that can cause life-threatening heart rhythm disturbances. It's treatable with medical devices.

Chagas disease

Chagas disease, a condition caused by a parasite, usually is transmitted to humans through feces of the infected triatomine bug.

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

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

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

Blood tests for heart disease

Blood tests can offer clues to your heart health. Here are tests you might encounter in the diagnosis, treatment and monitoring of heart disease.

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.

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

A nuclear stress test is used to diagnose heart conditions by comparing images of your heart during exercise and while at rest.

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.

Heart transplant

A heart transplant can help both adults and children with severe heart problems who don't benefit from other treatment options.

Implantable cardioverter-defibrillator

Implantable cardioverter-defibrillators (ICDs) can control abnormal, life-threatening heart rhythms and prevent cardiac arrest.

 

Nov. 15, 2012