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October 27, 1906


Author Affiliations

Physician to Neurologic Department, Massachusetts General Hospital; Instructor in Neurology, Harvard University. BOSTON.

JAMA. 1906;XLVII(17):1341-1343. doi:10.1001/jama.1906.25210170005002a

There is a general belief that the blood pressure in paresis is low. This belief is based mainly on the observations of Pilcz,1 who found normal tension in the earlier stages, falling tension as the disease advanced, with extreme hypotension in the terminal states. Janeway2 regards this hypotension as analogous to the pressure of other wasting diseases but rather more pronounced. Pilcz used the Gaertner instrument. Alexander,3 a year later, stated that the blood pressure in paresis was low in the end stages. From an examination of ten cases Craig4 found the blood pressure in paretics high in the depressed condition, low in the excited. He regards his observations as favoring but not establishing Cramer's theory, that blood pressure is a cause of mental states and rapid changes.

These observations would naturally lead to the hope that we have in blood pressure a practical aid in

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