what are the symptoms of aortic regurgitation?
['Fatigue and weakness, especially when you increase your activity level.', 'Shortness of breath with exercise or when you lie down.', 'Swollen ankles and feet.', 'Chest pain (angina), discomfort or tightness, often increasing during exercise.', 'Lightheadedness or fainting.', 'Irregular pulse (arrhythmia)', 'Heart murmur.']