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This is an exhaustive monograph on spontaneous subarachnoid hemorrhage by an investigator whose first paper on the subject appeared in 1912, and who has been able to add ten cases of his own to sixty-two compiled from the literature and carefully abstracted. Ehrenberg claims a certain clinical independence for nontraumatic subarachnoid and pial hemorrhage occurring by itself apart from cerebral hemorrhage and meningitis. In a fairly large number of cases —thirteen of twenty-three examined postmortem—some form of arterial disease was present. In the others, many in young persons, some weakness or peculiarity of the cerebral vessels is supposed to exist, somewhat analogous to the poorly understood conditions underlying the tendency to nosebleed and subconjunctival hemorrhage in young persons.
Till kännedomen om sÅ kallad spontan subarachnoidalblödning. JAMA. 1925;85(12):924. doi:10.1001/jama.1925.02670120062034
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