Mitral Valve Stenosis (cont.)
IN THIS ARTICLE
Nearly all cases of mitral valve stenosis are caused by rheumatic fever, which can follow an untreated strep throat infection. But many people who have mitral valve stenosis don't realize that they had rheumatic fever.
Other less common causes include:
Although mitral valve stenosis is a lifelong disease, symptoms usually take 10 to 20 years to develop and can take as long as 40 years. After you develop symptoms, they may not become severe for up to 10 years.1
Early symptoms are often mild. In the later stages, the left atrium may become damaged, causing more severe symptoms.
Symptoms of mitral valve stenosis include:
Other less common symptoms include:
You may not have any symptoms unless you exercise, are stressed, are pregnant, or have an infection or an irregular heartbeat. Or you may have only a few symptoms, no matter how bad your stenosis is.
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