A heart valve defect is a condition that affects one or more of the four valves of the heart, which keep blood flowing in the right direction through the heart by opening and closing at the right time. There are three types of heart valve diseases: regurgitation, stenosis, and atresia. Regurgitation happens when the valve flaps don't close properly, causing blood to leak. Stenosis happens when the flaps of a valve become thick, stiff, or stuck together, preventing the valve from opening all the way. Atresia happens when a heart valve did not form properly and does not have an opening for blood to pass through 1 . Symptoms Some people have no symptoms, yet they can still have a valve problem that needs treatment. Some people suddenly experience very noticeable symptoms. Valve disease symptoms can also develop very quickly if the condition is severe. Symptoms of heart valve disease include: Chest pain or palpitations (rapid rhythms or skips) Shortness of breath, particularly when a...
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