The physical diagnosis of diseases of the lungs / By Walter Hayle Walshe.
- Walshe, Walter Hayle, 1812-1892.
 
- Date:
 - 1843
 
Licence: Public Domain Mark
Credit: The physical diagnosis of diseases of the lungs / By Walter Hayle Walshe. Source: Wellcome Collection.
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![THE PHYSICAL DIAGNOSIS OF DISEASES OF THE LUNGS AND LARYNX. INTRODUCTION. THE existence of disease involves that of physical change, not only in the part originally and chiefly affected, but also in the structures immediately ad- joining. There are a few apparent exceptions to this statement; but, admitting their reality, they are of such slight importance as scarcely to affect the general proposition. [§ 1.] The physical changes thus arising may or may not be capable of accurate discrimination during life. When they can be so discriminated, experience has shown that their detection is not so much ac- complished by means of the vital functional derange- ments of the organs implicated, as by the aid of various alterations in the physical properties or actions of those organs,—as, for example, their density, their faculty of generating and of trans- mitting sound, &c. So invariably do these altera- tions bear a certain and fixed relation to the nature of the disease with which they are associated, that their discovery is conclusive as to the existence of given textural maladies. And not only the nature, B](https://iiif.wellcomecollection.org/image/b33096892_0017.jp2/full/800%2C/0/default.jpg)