The essentials of physical diagnosis of the chest and abdomen ...

  • Anderson, J. Wallace (James Wallace)
Date:
1889
Catalogue details

Licence: Public Domain Mark

Credit: The essentials of physical diagnosis of the chest and abdomen ... Source: Wellcome Collection.

Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.

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    character. The most obvious change in this respect is Rediijjlication. By this is meant a doubling (rarely a trebling) of one or other heart sound (rarely of both sounds). It is fairly common, not very difficult to detect, and not always a sign of disease. Redupli- cation of the second sound is the more com- mon of the two, and that sound being natur- ally the more defined, the repeat, like a faint echo of the original, is readily made out, especially if the cardiac action is slow. Re- duplication of the second sound is of com- mon occurrence with mitral disease, with diseases of the lung which impede its circu- lation, and is therefore commonly associated with accentuation of that sound. It occurs sometimes in health when a little exercise readily dispels it by quickening the heart's action. Some forms of reduplication run into murmurs when the heart's action is thus in- creased. A cantering action (the hriiit cle galoiD of Potain) of the heart is occasioned sometimes by a doubling of the first sound. It is heard down the left border of sternum or towards
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