There are two main types of heart murmurs: innocent and abnormal. Innocent murmurs are common and typically harmless. They are often found in children and may disappear as they grow older.

Other murmurs will be discussed in their respective sections. A complete discussion of valvular heart disease is found elsewhere. Once it is determined whether the murmur is systolic or diastolic ...

Disease of the cardiac valves and other cardiac structures frequently results in abnormal, turbulent blood flow within the heart, causing murmurs. Careful auscultation of heart murmurs is an ...