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Pulmonary vein stenosis
- Heart Valve Diseases (National Library of Medicine)... back. Prolapse most often affects the mitral valve. Stenosis happens when the flaps of a valve become ... blood can pass through the valve. Aortic valve stenosis is a common type of stenosis. It affects ...
- Congenital Heart Defects (National Library of Medicine)... can't pump enough blood to the body Pulmonary hypertension - high blood ... thin tube guided through a vein and into the heart. Heart surgery may be ...