Heart Valve Disease

Heart Murmur Causes and Risk Factors

Heart murmurs are common, especially in children, with up to 50–70% exhibiting murmurs during childhood, most of which are harmless . These murmurs are sounds caused by turbulent blood flow within the heart and can be present at birth or develop later in life . While many heart murmurs are innocent and do not indicate heart disease, others signal underlying structural or functional heart problems that require medical evaluation .