In-depth

Causes

Chagas disease

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

Heart arrhythmias

A heart arrhythmia is an abnormal heart rhythm. Arrhythmias can be a byproduct of damage to the heart from disease or age.

Definition

Broken heart: Can grief damage your heart?

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

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

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.

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.

Needle biopsy

Find out what to expect during a needle biopsy.

Treatments and drugs

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.

 

Pacemaker

A pacemaker can correct a heartbeat that's too slow. Find out the risks, results and recovery time of the procedure to implant a pacemaker.

Ventricular assist devices

Having a ventricular assist device (VAD) can help you survive while waiting for a heart transplant, or can serve as a long-term treatment for heart failure. Find out more.

Jan. 24, 2014