When the mitral valve is leaky it is called mitral valve regugitation, it means that just after the heart squeezes and pumps blood forward, some blood will leak backward through the valve. Overtime leaky mitral valve causes health problems such as heart failure, pulmonary congestion (this means that water builds up in lungs and causes breathing problems), later leaky mitral valve can cause the fluid to build up in a whole body, for example in legs, hands, liver.... Before above mentioned problem ...
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