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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...

3D mammography Women who undergo routine mammograms at Mayo Clinic Health System have the latest diagnostic technology available to them — digital mammography. Digital mammography, also known ...

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...

Learn more about hearing and balance: American Academy of Audiology American Speech Language Hearing Association American Tinnitus Association Mayo Clinic U.S. Food and Drug Admin...

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...

Mammograms expose you to low-dose radiation. The dose is very low, though, and for most people the benefits of regular mammograms outweigh the risks posed by this amount of radiation. Having...

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,...

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...

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...

Self-treatment for allergies with over-the-counter medications may lead to unwanted side effects, such as drowsiness and fatigue. Some remedies may actually worsen the underlying condition. Untreated ...