A treatise on the different methods of investigating the diseases of the chest, particularly percussion, and the use of the stethoscope / Translated from the French with an additional preface by W.N. Ryland.
- Collin, V. (Victor)
- Date:
- 1825
Licence: Public Domain Mark
Credit: A treatise on the different methods of investigating the diseases of the chest, particularly percussion, and the use of the stethoscope / Translated from the French with an additional preface by W.N. Ryland. Source: Wellcome Collection.
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![i ; :] Itj \\ laborious. It becomes abdominal, if both sides are at the time affected in a high degree. The chest sometimes sounds as in health, but its so¬ norousness is often diminished, and even completely lost in a more or less considerable extent, very exactly limited to the part diseased. The respiratory murmur is feeble, in all parts where the sonorousness is diminished, scarcely distinct, or sometimes covered by a crepitating rattle ; at one time dull, at another sonorous enough, and the presence of which indicates both the nature of the alteration and the whole extent it occupies. The respiration then often becomes puerile in the other lung and in all the parts of the affected lung yet remaining healthy. These phenomena very soon change. If the disease terminates by resolution, the crepitating rattle diminishes in intensity every day, the murmur of respiration ap¬ proaches more and more to the natural state ; the move¬ ments of the chest resume their rhythm, their extent, and simultaneousness •, the sound returns, and the mucous rattle, in a greater or less degree, indicates the change of expectoration. On the contrary, if the lung passes to the state of he¬ patization, the alteration of the movements of the tho¬ rax continue, the sound becomes completely dull, the crepitating rattle ceases, but the respiratory murmur does not return; the smallest quantity of air cannot pe¬ netrate the hardened tissue of the lung. Respiration is wholly absent, or if heard, is so only in the vicinity of the large bronchial tubes ; it is then tracheal, cavernous, and often very loud; the hollowness of the voice re¬ doubles in all the affected parts; often in induration of the upper lobe, even atrue pectoriloquy begins to com¬ plicate the diagnosis and throw doubts upon the nature of the affection. We must have recourse to the comme¬ morative circumstances, to the general symptoms, to prevent our supposing the existence of pulmonary phthisis. When the disease is of small extent, nature and art exert their powers, and are often atthis period crov/ned withsuccess ; the disease retracing its steps by the same E](https://iiif.wellcomecollection.org/image/b30368133_0063.jp2/full/800%2C/0/default.jpg)
