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Electrophysiology (EP) is a specialized field of cardiology focusing on diagnosing and treating heart rhythm disturbances. During an EP study, electrodes are guided through blood vessels to your heart...

Dyslipidemia. It's a long word, but it's linked to the No. 1 killer in the U.S.: heart disease. If you have dyslipidemia, which is characterized by abnormal cholesterol and triglyceride levels, you ca...

Certain types of heart disease, such as heart defects, can't be prevented. However, you can prevent many other types of heart disease by making lifestyle changes, learn about them below.   ...

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...

Mayo Clinic Health System brings all the cardiovascular knowledge and expertise of Mayo Clinic to you, close to where you live. Our cardiology team specializes in preventing, diagnosing and treating c...

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...

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...

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...

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...