The signs of internal disease, with a brief consideration of the principal symptoms thereof . Fig. 3—The Bowies Stethoscope. vibrations. The sounds are conducted with extraordinary clearness,and intensity, and its use is especially commended to those whose sense-of hearing is less acute than normal. The flat disc admits of its beingslipped under the back without disturbing the position of the patient,,and thus may be employed when his condition forbids the use of th&common type, as during or immediately after severe haemoptysis, inwhich a recent experience of my own was instructive. With its u
The signs of internal disease, with a brief consideration of the principal symptoms thereof . Fig. 3—The Bowies Stethoscope. vibrations. The sounds are conducted with extraordinary clearness,and intensity, and its use is especially commended to those whose sense-of hearing is less acute than normal. The flat disc admits of its beingslipped under the back without disturbing the position of the patient,,and thus may be employed when his condition forbids the use of th&common type, as during or immediately after severe haemoptysis, inwhich a recent experience of my own was instructive. With its use,. 26 DISEASES OF THE CHEST breath sounds may be heard in areas where otherwise they are in-audible, as in the subscapular region. The drum may be removed and1 lie ordinary bell be substituted when Fig. 4—Phonendoscope. The phonendoscope, of Bazzi and Bianchi, is cumbersome, ex-pensive and possesses few, if any, advantages over the one is excellent for auscultatory percussion, whereby the outlines of thevarious organs may be mapped out with great certainty. SECTION II. MEDICAL ANATOMY. SHAPES AND TYPES OF THE CHEST. The shape of the thorax and its general capacity as well as itsexpansile powers, are influenced by age, sex, occiipation, heredity anddisease. Heredity impresses its most striking as well as its strongestpeculiarities upon those structures which earliest develop and earliestreach maturity, hence the bony skeleton is strongly influenced thereby. At birth the contour of the chest is almost circular and the thoraxcylindrical, but as development proceeds the expansion and growth of
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectdiagnos, bookyear1906
