In 1819 To Year Laennec Has Published The

In 1819 To year Laennec has published the big treatise "De l'auscultation mdiate", Where has in detail described normal sounds of lungs, and then identified Considerable quantity of pathological sounds of a thorax at breath - , , metal type of sounding, sounds of the burst Pot, various rattles, etc. a part of work Essential on volume It is devoted diagnostics of the tuberculosis which examples in those days was It is a lot of. Laennec also investigated features of sounds of heart at Healthy and sick. It has described for the first time , and characteristics of noise and heart sounds. It has shown to the first that Various defects of valves of heart can be diagnosed an ear still During lifetime of the patient. The new method of diagnostics was also with success It is applied in the diagnosis of crises, stones bilious and a bladder and Liver abscesses. The invention of Laenneka has quickly extended in The world. In the nineteenth century began to improve stethoscopes and technics Auscultations of noise of a body of the person.