Printer friendly dictionary, encyclopedia and thesaurus - the free dictionary 4,289,781,380 visitors served. Forum join the word of the day mailing list for webmasters thefreedictionary google bing? Word / article starts with ends with text dictionary/thesaurus medicaldictionary legaldictionary financialdictionary acronyms idioms encyclopedia wikipediaencyclopedia? Mitral valve stenosis also found in: dictionary/thesaurus, encyclopedia, wikipedia 0. viagra pills for sale canada 01 sec. viagra lisinopril drug interactions Mitral valve stenosis definition the term stenosis means an abnormal narrowing of an opening. Mitral valve stenosis refers to a condition in the heart in which one of the valve openings has become narrow and restricts the flow of blood from the upper left chamber (left atrium) to the lower left chamber (left ventricle). Description in the heart, the valve that regulates the flow of blood between the left atrium and the left ventricle is called the mitral valve. If the mitral valve is abnormally narrow, due to disease or birth defect, blood flow from the atrium to the ventricle is restricted. generic viagra online This restricted flow leads to an increase in the pressure of blood in the left atrium. Over a period of time, this back pressure causes fluid to leak into the lungs. It can also lead to an abnormal heart rhythm (atrial fibrillation), which further decreases the efficiency of the pumping action of the heart. Causes and symptoms mitral valve stenosis is almost always caused by rheumatic fever. buy cheap viagra As a result of rheumatic fever, the leaflets that form the opening of the valve are partially fused together. Mitral valve stenosis can also be present at birth. Babies born with this problem usually require surgery if they are to survive. buy women viagra india Sometimes, growths or tumors can block the mitral valve, mimicking mitral valve stenosis. If the restriction is severe, the increased blood pressure can lead to heart failure. costo viagra da 5 mg The first symptoms of heart failure, which are fatigue and shortness of breath, usually appear only during physical activity. As the condition gets worse, symptoms may also be felt even during rest. viagra lisinopril drug interactions A person may also develop a deep red coloring in the cheeks. viagra generic Diagnosis mitral valve stenosis is usually detected by a physician listening to heart sounds. viagra generic went Normal heart valves open silently to permit the flow of blood. viagra canada online A stenotic valve makes a snapping sound followed by a "rumbling" murmur. buy viagra on line without prescription The condition can be confirmed with a chest x ray and an electrocardiogram, both of which will show an enlarged atrium. Echocardiography, which produces image.