Clinical lectures on the principles and practice of medicine . crease in force inferiorly, where a thinlayer of lung descends over the liver much deeper than anteriorly. In a healthy state, a distinct difference may be observed in thesonoriety of the lungs immediately after a full expiration and a full in-spiration. This does not take place when the tissue becomes induratedfrom any cause; and thus we are furnished with a valuable diagnosticsign. Congestion of the lung, and pneumonia in its first stage, cause Fig. 26, Anterior, and Fig. 2*7, posterior view of the normal limits and intensityof d
Clinical lectures on the principles and practice of medicine . crease in force inferiorly, where a thinlayer of lung descends over the liver much deeper than anteriorly. In a healthy state, a distinct difference may be observed in thesonoriety of the lungs immediately after a full expiration and a full in-spiration. This does not take place when the tissue becomes induratedfrom any cause; and thus we are furnished with a valuable diagnosticsign. Congestion of the lung, and pneumonia in its first stage, cause Fig. 26, Anterior, and Fig. 2*7, posterior view of the normal limits and intensityof dulness on percussion. P, pulmonal sound ; C, cardiac sound; H, hepatic sound;S, splenic sound; G, gastric sound (here the stomach is moderately distended withair); E, enteric sound. In the anterior view the intestines are tolerably free fromair, except CO, colic sound, from distended colon. The descending colon and rectumare filled, and sound dull. HU, humoral soid, over a distended bladder; M, mus-cular, and 0, osteal sounds.—(Piorry.) BY PERCUSSION. 55. Fig. 28. only slight dulness and increased resistance, which, however, may occa-sionally be detected by the practised percussor. In the second and thirdstage of pneumonia, and in apoplexy ofthe lung, this dulness and resistanceare well marked, and even an impres-sion of hardness and solidity commu-nicated to the hand. When, however,the lung is infiltrated with tubercle, theinduration is most intense, and thegreatest degree of resistance commu-nicated. Partial indurations from apoplexyor simple cancerous and tubercular ex-udation, may be detected by percus-sion, even when deep-seated and cov-ered by healthy portions of the this case, by pressing with the plex-imeter, and striking lightly, a tympan-itic sound only is heard; but by press-ing the pleximeter down firmly, andstriking with force, the dull soundmay be elicited and indurations, however, exist in-feriorly in those portions of the lungs whic
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectmedicine, bookyear187
