What are the symptoms of a heart murmur?

There are different types of heart murmurs and symptoms may vary for each type. On a general note, common symptoms are skin that appears blue, especially on your fingertips and lips,Swelling or sudden weight gain,Shortness of breath,Chronic cough,Enlarged liver,Enlarged neck veins. In infants, poor appetite and failure to grow normally,Heavy sweating with little or no activity,Chest pain,Dizziness,Fainting.