symptoms mitral regurgitation
Most of the time, mitral regurgitation progesses slowly over a period of many years. According to The Cleveland Clinic, the common mitral regurgitation symptoms are: 1  Shortness of breath, especially during exercise or when you are laying still. 2  Fatigue, especially during exercise. 3  Cough, often during the night, when in bed. 4  Heart palpitations, or fluttering heartbeats, atrial fibrillation.