In fact, most cardiologists feel that MVP is a benign condition that does not mean a bad heart disease is present. Since the mitral valve is mostly connective tissue, it is possible that FM affects connective tissue other than the muscles, tendons, and ligaments. Restless Legs Syndrome and Nocturnal Myoclonus. These related conditions are most prominent at night. Restless legs syndrome causes leg cramps, especially in the calves, and an intense feeling of restlessness in the leg, that is not relieved until the individual moves the leg, as in walking around.
Nocturnal myoclonus is involuntary jerking that occurs during sleep.
This is characterized by intermittent attacks of white or blue discolorations of the fingers or toes. Cold or stress usually brings on these vascular changes. Curvature of the spine commonly develops in teenage girls for no apparent reason. Scoliosis is also seen in a number of neuromuscular diseases. This condition is characterized predominantly by painful jaws.