A manual of auscultation and percussion : principally composed from Meriédec Laennec's edition of Laennec's great work / by James Birch Sharpe.
- James Birch Sharpe
- Date:
- 1838
Licence: Public Domain Mark
Credit: A manual of auscultation and percussion : principally composed from Meriédec Laennec's edition of Laennec's great work / by James Birch Sharpe. Source: Wellcome Collection.
Provider: This material has been provided by King’s College London. The original may be consulted at King’s College London.
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![180. This continuance of the respiratory mur- mur towards the root of the lung, and its sudden absence from the other points, are sufficient to distinguish pleuritis from pneumonia, in which the diminution or absence of the respiratory sound is always preceded by the crepitant rattle, and is never so comjdetely absent as not to allow here and there some traces of respiration. Dr. EUiotson has, however, sometimes found no respiratory murmur in any part of the affected half of tlie chest, such has been the compression of the lung even close to the spine. 181. The absence or diminution of the respi- ratory sound in the diseased side is ordinarily attended by an increase of it in the healthy side : nevertheless this only takes place in chronic pleurisy, or towards the middle period of the acute. The fluid wiU sometimes so push the me- diastinum, that there is a loss of resonance and res- piratory murmur for some little distance on the healthy side. 182. As soon as the effusion is obseirable, segO])hony appears; it remains as long as the effusion is moderate; disappears when the fluid becomes abundant; re-appeal's when the fluid di- minishes ; and finally ceases with the absorption of the effusion. It is heard at first near the in-](https://iiif.wellcomecollection.org/image/b21301657_0092.jp2/full/800%2C/0/default.jpg)