The heart makes no other sounds except the sound of beating, but many people are often told that they have heart murmurs during a heart examination. For this symptom, most of the time it can be considered to be caused by heart disease. It is necessary to understand the cause, because heart murmurs are harmful and can cause abnormal blood vessel flow or changes in blood flow, seriously affecting the patient's heart condition. What are the dangers of heart murmurs? First of all, before we understand the dangers of heart murmurs, we need to understand heart murmurs. Heart murmurs refer to abnormal sounds, in addition to heart sounds and extra heart sounds, caused by the vibration of ventricular walls, valves or blood vessels due to turbulence of blood in the heart or blood vessels when the heart contracts or relaxes. The sound produced by abnormal cardiovascular structure or hemodynamic changes, which cause hemodynamic changes and blood turbulence in the heart or large blood vessels, is a group of vibrations with long duration, different frequency and amplitude. Murmurs often help diagnose diseases and can also be seen in normal people. produce So do you know how heart murmurs are produced? Heart murmurs are caused by accelerated blood flow in the heart or large blood vessels (such as after exercise, in anemia), blood flowing from narrow areas to wide areas (stenotic valve openings such as mitral stenosis, or relatively narrow valve openings due to heart enlargement or dilation of large blood vessels), and blood backflow (such as valvular insufficiency). Do you know how heart murmurs are produced? When blood flows through abnormal channels (such as ventricular septal defect, patent ductus arteriosus, and blood flowing from normal blood vessels into the enlarged part in an aneurysm) or there are thin flakes in the blood that can vibrate freely (such as ruptured papillary muscles in the heart, which disturb the blood and create vortices), turbulence occurs, which vibrates the cardiovascular wall and produces noise. |
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