In order to formulate a rational plan of treatment for a given disease it is necessary to recognize the nature of the disease, its course and mode of termination when recovery takes place, and its course and mode of termination when death occurs; it is also necessary to be able to recognize by symptoms and physical signs the changes that are occurring in the organs and tissues of the body during the course of the disease and to know the prognostic value of such changes when recognized.
Pneumonia is an acute infectious disease manifesting itself as a general toxemia, with a local disturbance in the lung passing through the clinically recognizable states of congestion, hepatization and resolution or disintegration.
A brief review of the clinical course of a favorable case shows us the initial chill; the high temperature; the increased frequency of respiration; the pulse of moderate frequency, full volume,
ROCHESTER DL. THE TREATMENT OF PNEUMONIA. JAMA. 1901;XXXVII(19):1237–1240. doi:10.1001/jama.1901.62470450017001c
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