Is heart murmur physiological in children's physical examination?

The discovery of heart murmurs during a child's physical examination may be physiological or pathological, and should be judged based on specific manifestations. Physiological murmurs are usually unrelated to cardiac structure, while pathological murmurs may indicate congenital heart disease, valve abnormalities, and other diseases. Physiological heart murmurs are more common in children, often caused by fast blood flow or incomplete heart development, and are commonly seen after fever, anemia, or intense exercise. This type of murmur is usually a soft, brief systolic murmur with no other discomfort symptoms, and there are no structural abnormalities detected by cardiac ultrasound examination. With growth and development, most physiological murmurs will naturally disappear without special treatment, but regular follow-up observation is necessary. Pathological heart murmurs may be related to congenital heart diseases such as ventricular septal defect, patent ductus arteriosus, etc., manifested as loud, persistent or accompanied by symptoms such as difficulty breathing and cyanosis. Some children may experience valve damage and pathological murmurs due to rheumatic or infective endocarditis. This type of situation needs to be diagnosed through electrocardiogram, cardiac ultrasound and other examinations, and medication or surgical treatment should be taken according to the cause, such as using digoxin oral solution to improve heart function or repairing defects through interventional surgery. If a child is found to have a heart murmur during a physical examination, it is recommended that parents record the characteristics and accompanying symptoms of the murmur, avoid vigorous exercise, and prevent respiratory infections. Seek timely medical attention and complete examinations, and have doctors evaluate the nature of the noise and develop intervention plans. Pay attention to balanced nutrition in daily life, supplement iron appropriately to prevent anemia, and regularly check heart function.