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</html><thumbnail_url>https://www.texasheart.org/wp-content/uploads/2018/08/thi-closeup-woman-having-heart-attack.-Woman-touching-breast-and-having-chest-pain-after-long-hours-work-on-computer.jpg</thumbnail_url><thumbnail_width>1600</thumbnail_width><thumbnail_height>900</thumbnail_height><description>Mitral valve prolapse (MVP) is among the most common heart conditions. MVP often occurs in people who have no other heart problems, and may be inherited. The mitral valve consists of two flaps called leaflets that open and shut in a coordinated fashion to allow blood to flow in one direction.</description></oembed>
