In-depth

Causes

Heart arrhythmias

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.

Headache

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

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.

Holter monitor

MRI

MRI uses a magnetic field and radio waves to create detailed images of the organs and tissues within your body.

Treatments and drugs

Heart transplant

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.

May 02, 2012