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心脏病的诊断上,视诊、触诊、扣诊,听诊法是不可缺的诊断方法,但是每个医师的听觉灵敏度不同,技术熟练程度也不同,临床经验也有差异,因此听诊诊断结论意见往往有分岐,各持异见,不易得到统一的明确的诊断结论意见。自从1873年W.Eintlwven发明心音图以来,对心脏病的诊断上确实有了飞跃的发展,克服了个人只频听觉诊断有误差的缺点,以及用听诊器不易听到的3音,特别是听不到的4音及5音,及其他音量、音质,杂音间的间隔,杂音型,周波数等都能用心音图记录下来,已经有了客观的数量指标。心音图不仅对
Diagnosis, palpation, palpation and auscultation of heart disease are indispensable diagnostic methods. However, each physician has different auditory sensitivities, different levels of technical proficiency and different clinical experiences. Therefore, the conclusions of auscultatory diagnosis are often Disagreements, each with different opinions, not easy to get a unified clear conclusion of the diagnosis. Since the discovery of the phonocardiogram by W. Eintlwven in 1873, there has indeed been a tremendous improvement in the diagnosis of heart disease, overcoming the shortcomings of individuals with only a few audible diagnoses, as well as the 3 notes that are not easily audible with a stethoscope, To the 4 tone and 5 tone, and other volume, sound quality, the interval between the murmur, murmur type, the number of weeks, etc. can be recorded with the phonocardiogram, there has been an objective number of indicators. Phonocardiogram not only right