. A practical treatise on the diseases of the lungs and heart : including the principles of physical diagnosis . to have been made at anasto-motic enlargements; and the disease had, to all seeming, origi-nated in inflammation of the vessels. ANEURISM. I. The term aneurism, understood in its widest sense,may be defined as a local increase of caliber of an artery. Andin this sense it has been used by some authors, while othershave made attempts to restrict its application in many differentways. Professional opinion is, indeed, so unsettled as to theproper application of the term, that an explana
. A practical treatise on the diseases of the lungs and heart : including the principles of physical diagnosis . to have been made at anasto-motic enlargements; and the disease had, to all seeming, origi-nated in inflammation of the vessels. ANEURISM. I. The term aneurism, understood in its widest sense,may be defined as a local increase of caliber of an artery. Andin this sense it has been used by some authors, while othershave made attempts to restrict its application in many differentways. Professional opinion is, indeed, so unsettled as to theproper application of the term, that an explanation of the sensehe, in particular, may attach to it, is called for on the part ofevery person employing it. Adhering, then, to the comprehensive definition above ex-pressed, I would divide the genus Aneurism into the subjoinedspecies and varieties: A. Peripheric : ( \ Globular. B. Lateral: . Lateral: i a. Simple. 7 , ? < b. f e. Mixed. C. Interstitial;dissecting. ANEURISM. 479 The anatomical constitution of these varieties of aneurism isexhibited to the eye in Diagram Fig ], Peripheric Dilating Aneurism ; the three coats of the vessel all round graduallywidening, so as to give a fusiform shape to the enlargement. Fig. 2, Peripheric DilatingAneurism ; the three coats of the vessel all round abruptly widening, so as to give aglnbu-lar shape to the enlargement. Nos. 1 and 2 are the simple dilatations of various 3, Simple Lateral Sacculating Aneurism: the sac, formed of the three coats of thevessel unbroken, rises from a limited portion of its circumference ; the true aneurism of some authors. ,5, 6,8, varieties of Compound Sa<culating Aneurism ; all agree-ing in the characters of lateral sacculation, and injury to the coats of the vessel; the false aneurism of writers. Fig. 4, the Sac formed of the middle and outer coats, theinner being destroyed. Fig. 5, the Sac composed of the outer coat lined by the inner, themiddle t
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectheartdi, bookyear1851
