Identifier: refere07buck (find matches)
Title: A Reference handbook of the medical sciences : embracing the entire range of scientific and practical medicine and allied science
Year: 1885 (1880s)
Authors: Buck, Albert H. (Albert Henry), 1842-1922
Subjects: Medicine
Publisher: New York : William Wood
Contributing Library: Yale University, Cushing/Whitney Medical Library
Digitizing Sponsor: Open Knowledge Commons and Yale University, Cushing/Whitney Medical Library

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use of displacement.There is usually morefluid when the right sideis attacked. In one casein which the disease wason the left side, thehearts impulse was per-ceived just below the left clavicle(Bastian). In emphysema the unusual de-scent of the diaphragm induces adownward displacement of theheart. The lower boundary ofthe left ventricle is brought down-ward into the epigastrium, so thatit becomes situated behind and toeach side of the ensiform carti-lage. Displacement into the epi-gastrium may also follow upon the growthof an aortic aneurism. The Deep Cardiac Plexvs.—The righthalf of the plexus receives all the cardiacnerves of that side ; namely, a cardiacbranch from each of the three cervical ganglia of the sympathetic, the three cardiac branches ofthe vagus, and the cardiac branch of the recurrent laryn-geal nerve. On the left side the plexus receives the same nerves, with the excep-tion of the superior car-diac nerve of the sympa-thetic and the inferiorcardiac branch of the Caro
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pneumogastric, both ofwhich go to form the su-perficial cardiac plexus. The deep cardiac plexuslies behind the transverseportion of the aorta, be-tween it and the tracheaand above the bifurcation of the pulmonary artery. The superficial plexus lies on the concavity of the arch.The causation of any symptoms in cardiac disease, 76 REFERENCE HANDBOOK OF THE MEDICAL SCIENCES. Tli o rax.Thorax. Trac&ea apparently unconnected with the heart, lies in the numer-ous and wide-spreading communications of the cardiacplexus. Thus, in disease of the valves, the pain is oftenreferred to the distant branches of the cervjcal and bra-chial plexuses. Moreover, the urgent dyspnoea of intra-thoracic tumor is most probably the result of pressureupon the cardiac plexus itself. The Trachea.—The trachea extends from the level ofthe fifth cervical vertebra to the level of the fourth dorsalvertebra, where it bifurcates; this point correspondingupon the back to the fourth dorsal spine. The wind-pipe lies i

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