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Heart rhythm problems, or heart arrhythmias, occur when the electrical impulses that coordinate your heartbeats don't work properly, causing your heart to beat too fast, too slow or irregularly. Hear...

Heart failure, sometimes known as congestive heart failure, occurs when your heart muscle doesn't pump blood as well as it should. Certain conditions, such as narrowed arteries or high blood pressure,...

In heart valve disease, also known as valvular heart disease, one or more of the valves in your heart doesn't work properly. Your heart has four valves that keep blood flowing in the correct directio...

Congenital heart disease is one or more problems with the heart's structure that you're born with. Congenital heart disease, also called congenital heart defect, can change the way blood flows through...

Coronary artery disease develops when the major blood vessels ― the coronary arteries ― that supply your heart with blood, oxygen and nutrients become damaged or diseased. Cholesterol-containing depos...

Peripheral artery disease, also called peripheral arterial disease, is a common circulatory problem where narrowed arteries reduce blood flow to your limbs. When you develop peripheral artery disease...

Aortic valve disease is a condition where the valve between the main pumping chamber of your heart and the main artery to your body, the aorta, doesn't work properly. Aortic valve disease may be a con...

When it comes to your heart, there is no one-size-fits-all treatment. From diagnosing your condition to cardiac rehabilitation, Mayo Clinic Health System's cardiology experts offer a range of services...

Learn about the variety of tests we provide to help diagnose a variety of heart diseases and conditions:  Ambulatory blood pressure monitor Electrocardiogram (EKG) Coronary CT angiog...

Heart failure and its related therapies are complex. Managing your care works best when you're being treated, and are actively involved in, and educated about, your condition. Mayo Clinic Health Syste...