A manual of percussion and auscultation : of the physical diagnosis of diseases of the lungs and heart, and of thoracic aneurism / by Austin Flint.

  • Austin Flint I
Date:
1876
Catalogue details

Licence: Public Domain Mark

Credit: A manual of percussion and auscultation : of the physical diagnosis of diseases of the lungs and heart, and of thoracic aneurism / by Austin Flint. Source: Wellcome Collection.

Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.

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    ration. Attention to these differential points is to be enjoined upon the student. A prolonged expiration at the summit of the chest on the right side is sometimes incorrectly considered to be evidence of phthisis. It is to be recollected, in the jBrst place, that ]3rolongation of this sound with a normal pitch and quality, is never evidence of solidification of lang either from phthisis or any other disease; and-in the second place, even if the pitch be high, and the qualitj^ tubular, that it is not to be regarded as abnormal, j^rovided the inspiratory sound is unchanged, and other signs of disease are not present. Interrupted Respiration.—To this sign have been applied other names, such as jerking^ wavy^ cogged wheels and by French writers the names entrecoupee and saccadee. The modification is either of the inspi- ration or of the expiration, or of both. The inspira- tory, however, much more frequently than the expi- ratory, sound is interrupted. The sound, instead of being continuous, is broken into one, two, or more parts. This is the characteristic of the sign. If, at the same time, there be alterations in pitch and quality, the interruption is merely incidental to other signs; namely, the bronchial, broncho-vesicular, or cavernous respiration. To constitute it a distinct sign, the interruption must be the only appreciable change. Thus limited, the sign has but little diag- nostic value. Interrupted respiration is sometimes found in healthy persons. It is confined to the summit of the chest, and oftener on the left than the right side. Existing without any other signs, therefore, it is not
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