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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...

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...

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...

The Vascular Medicine Clinic incorporates a comprehensive approach in evaluating, diagnosing and treating peripheral artery disease. Patients are educated about their condition, learning the importanc...

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...

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...

Mayo Clinic Health System's Emergency Department can assess your situation immediately. There, highly skilled and expertly trained emergency staff will perform tests to see if your pain is being cause...

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...

Cardiac and pulmonary rehabilitation is a customized outpatient program of exercise and education. These rehabilitation programs are designed to gradually acclimate your heart, lungs and vascular syst...