In-depth

Broken heart: Can grief damage your heart?

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.

Dizziness

Dizziness has many possible causes. The cause of dizziness may be simple, or dizziness may be a sign of a more serious disorder.

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.

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 arrhythmias

Heart transplant

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

Hunter syndrome

Hunter syndrome, a rare metabolic disorder, occurs when the body can't break down certain complex sugars. Complications occur as these sugars accumulate in the body.

Implantable cardioverter-defibrillator

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

 

Needle biopsy

Find out what to expect during a needle biopsy.

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.

Shortness of breath

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

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

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