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October 7, 1905


JAMA. 1905;XLV(15):1088. doi:10.1001/jama.1905.02510150052005

An interesting point in regard to pulmonary hemorrhage which has been known for many years but has not received the attention it deserves is the fact that when patients suffering from tuberculosis are collected together, and pulmonary hemorrhage occurs in one, it is almost certain to be noted in other patients during the course of the next week. As a rule, this association of symptoms has been considered to be due either to coincidence or to the psychic effect of an event like this on susceptible patients. Usually the subject is dismissed thus without more ado. The older practitioners of medicine frequently referred to this association of pulmonary hemorrhages and attributed it to atmospheric conditions. It was not long ago, however, that most disease changes were attributed to variations in meteorologic conditions, but the tendency recently has been to get away from the supposed effects of the atmosphere on patients,