298 - Le indagini di Laboratorio nei Manuali di Semeiotica Medica di fine Ottocento

Summary. In the second half of 19th century, instruments and methods for chemical examinations of body fluid were developed in order to help physicians in the diagnosis and prognosis by the use of “chemical signs”. Therefore Laboratory Medicine entered in the field of Semeiotics. The Semeiotics textbooks of two distinguished swiss clinicians appear very interesting in order to appreciate their way of looking in regard to laboratory analyses, how physical and chemical analyses where carried out, who performed them, how were utilized. It can be appreciate also the importance and the detail and even the length of different chapters of the two textbooks.