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常见有些年轻夫妇一听说孩子心脏有杂音就惶恐不安,为此,有必要弄清楚心脏杂音到底预兆什么,以便采取正确的对策。多数学者认为,心脏正常的4个心音(通常只能听见第1和第2心音,部分儿童和青少年可听到第3心音,少数50岁以卜的人可听到第4心音),以及异常杂音的产生,都是由于血液加速或减速运动引起心脏结构的振动。当心脏结构、瓣膜出现病变,就会有明显的杂
Some common young couple heard the child’s heart murmur anxiety, therefore, it is necessary to find out exactly what the heart murmur omen in order to take the correct countermeasures. Most scholars believe that the normal four heart sounds (usually only hear the first and second heart sounds, some children and adolescents can hear the third heart sound, a few people over the age of 50 can hear the fourth heart sound), and abnormal Noise generation, are due to blood to accelerate or slow motion caused by heart structure vibration. When the heart structure, valve disease, there will be obvious miscellaneous