In-depth

Causes

Heart arrhythmias

Complications

Flu shots and heart disease

If you have heart disease, flu shots can reduce your risk of flu-related complications that could worsen your condition. Find out why.

Symptoms

Edema

Fatigue

Fatigue can signal many things. Here are some tips to help you decipher why you're wiped out and to regain your energy.

Nausea and vomiting

Shortness of breath

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

Symptom Checker

Foot pain? Headache? Sore throat? Skin rash? Use the Symptom Checker to find out what's causing your symptom.

Tachycardia

Tachycardia, a rapid heart rate, is caused by an abnormality in your heart's electrical impulses. Tachycardia can cause serious complications, including sudden cardiac arrest.

Wheezing

Tests and diagnosis

Blood tests for heart disease

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

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.

CT scan

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.

MRI

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

Stress test

Treatments and drugs

Coronary bypass surgery

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

Heart transplant

Implantable cardioverter-defibrillator

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.

Stem cells: What they are and what they do

Stem cells are under study to treat diverse conditions from blood cancers to Parkinson's and heart failure. Researchers have uncovered some potential new sources that offer additional opportunities for developing regenerative solutions.

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.

Aug. 18, 2015