Identifier: practicaltreatis1904muss2 (find matches)
Title: A practical treatise on medical diagnosis for students and physicians
Year: 1904 (1900s)
Authors: Musser, John Herr, 1856-1912 Pancoast, Henry
Subjects: Diagnosis Diagnosis, Radioscopic Diagnosis
Publisher: Philadelphia and New York : Lea
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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embolus permanently plugging the vessel, the proximal end of thesel becoming dilated. Mycotic aneurism, first described by Osier and exhaustively bypmger, occurs m malignant endocarditis. The aneurisms are small in•>■ and multiple, and not recognized during life. They arise from thenvy produced by the local infection of bacteria in different portions ofwascular system. Aneurism of the Thoracic Aorta. The causes which producejjnai sclerosis are operative in the thoracic portion of the aorta—fly physical over-work, alcohol, syphilis, and gout. It may be 964 DISEASES OF THE HEART, BLOODVESSELS, AND MEDIASTINUM. situated just beyond the aortic ring, at the junction of the ascending andtransverse aorta, in the transverse, or at the beginning of the descendingportion of the thoracic aorta. The larger aneurisms are at the two bendsof the aorta. Symptoms. The symptoms of aneurism are largely due to pressure,and depend upon the position of the aneurism and the direction of itsgrowth.
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Aneurism of ascending portion of arch of aorta. Tumor in first and second interspaces,extending into neck. Portion of sternum atrophied. (Original.) Aneurisms, however, may exist without symptoms or appreciable physi-cal signs. Even in a patient who has been under careful observationsudden death may take place from rupture of a concealed aneurism, thepresence of which had not been suspected during life. On the otherhand, cases occur with characteristic pressure-symptoms and with nophysical signs. ; „ Aneurisms of the ascending portion of the arch cause dislocation of the ■ SYMPTOMS OF ANEURISM. 965 sternum. The vena cava !,ZZT )caulng eroslo° of the ribs and of the head and arm 2S ^7 ^ °f TC°S causing enlargement and Jdent 0T tL rightTrm Wf t* .may result, confined to the thorax. (See CEdcmT r/^ <W dyspnea. Paiu atJudfttXrS p™™™ 8 ^ »Ud manubrium, which fron^nTc^se t^rnc^f I^onf ^ t is paroxysmal. (See 1^7 Th Zl^TZy b^ ^ *causing dysphagia. The left recnrrent CS erve

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