I am 66 years old and an avid cyclist. Last winter, after we went for a long ride, I suddenly felt lightheaded and then fainted. My doctor ordered a series of heart scans that found slight mitral ...

Q I am 66 years old and an avid cyclist. Last winter, after we went for a long ride, I suddenly felt lightheaded and then ...

Although rare, MR can be caused by penetrating trauma to the mitral valve. With retrograde systolic flow from the left ventricle to the left atrium, both chambers dilate in order to maintain a ...

of one or both of the mitral valve leaflets or the tissue filaments (”chordae”) that hold these leaflets in place become floppy and allow these leaflet segments to float backwards into the upper heart ...