. Medical diagnosis for the student and practitioner. the high percentage of positive Wassermann and luetintests, and the repeated demonstration of Treponema pallidum in the tissues,have shown them to be the best representatives of the effects of selective * In one case observed by the author, a double aortic lesion and a free mitral regurgita-tion had apparently been carried from the age of fourteen to that of thirty-two althoughfor fourteen years the patient had worked as a locomotive fireman. His compensationfailed abruptly upon his receipt of a slight injury to the left chest and was never


. Medical diagnosis for the student and practitioner. the high percentage of positive Wassermann and luetintests, and the repeated demonstration of Treponema pallidum in the tissues,have shown them to be the best representatives of the effects of selective * In one case observed by the author, a double aortic lesion and a free mitral regurgita-tion had apparently been carried from the age of fourteen to that of thirty-two althoughfor fourteen years the patient had worked as a locomotive fireman. His compensationfailed abruptly upon his receipt of a slight injury to the left chest and was never fully re-gained. Similar cases often arise. CARDIOVASCULAR SYPHILIS 749 endarteritic cardiovascular lues and the leading examples of cerebrospinal syphilis. To the list must be added: Myelitis 50 per cent. Congenital mental defect 50 per cent. Epilepsy 50 per cent. Paroxysmal hemoglobinuria 100 per cent. Primary optic atrophy 100 per cent. Disseminated sclerosis 30 per cent. Infantile cerebral palsy 50 per cent. plus. and several other —Syphilitic mesaortitis. Aneurysm involving ascending and transverse portionsof thearch, coincident aortic regurgitation. Symptoms of aortic regurgitation and neuras-thenia only at time photograph was taken. Later those of the aneurysm present becameevident. With respect to general paresis the stress of urban life and congenital Factors in ... , , i -i- • i r localization. vascular inadequacy when imposed upon a syphilitic are the potent factorsin localization. In Berlin between 30 and 40 per cent, of the male residents seeking hospitaladmission are said to be paretics, but it is rare among those coming from thecountry. 75o MEDICAL DIAGNOSIS Mesaortitis. Greatfrequency. Denial ofinfection. Kraft-Ebings etiologic reference of this ailment to civilization andsyphilization is proven now to be more than a striking phrase. Importance of Luetic Aortitis.—The author will deal only with certainbasic statistical facts and a bri


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectdiagnos, bookyear1922