A manual of auscultation and percussion / Principally composed from M. Laennec's edition of Laennec's great work.
- James Birch Sharpe
- Date:
- 1839
Licence: Public Domain Mark
Credit: A manual of auscultation and percussion / Principally composed from M. Laennec's edition of Laennec's great work. Source: Wellcome Collection.
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![as the disease may be acute or chronic, the new leather sound is heard, or the bellows sound, which is still more frequent; and the diagnosis is still more certain, if, at the same time that these stethosco])ic phenomena take place, the prsecordial region, properly struck, affords a sound evidently more flat than in a natural state. In this affection, also, the aid of general symp- toms is most necessary. 250. Hydro-i^ericardiiim has for its signs tumul- tuous actions of the heart, which are obscure ; seem to aftect the ear and the hand through a soft medium ; are heard over a space rather ex- tensive ; and are more distinct sometimes in one place, sometimes in another. A flatness of reso- nance in the praccordial region, is, however, the indispensable sign of its confirmation. 251. Pneumato-pericardium is most probably the cause of the heart’s actions being heard at a ^ distance ; and consequently ought to he taken as the most rational sign. 252. Aneurysms of the aorta have no other ste- thoscopic signs than simple pulsations, which are heard along the sternum or vertebral column, ac- coi'ding to the position of the aneurysm. But this sign often fails ; and here, more than in any other disease within the ch.est, it is neces.sary to](https://iiif.wellcomecollection.org/image/b22029072_0126.jp2/full/800%2C/0/default.jpg)
