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 ...

Mitral valve prolapse (Barlow’s disease) is a connective tissue disorder which results in the valve leaflets becoming redundant causing prolapse into the left atrium during systole. This can ...

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 ...