OCCASIONAL errors in the interpretation of changes in the cerebrospinal fluid prompted us to devise a simple chart which would serve as a helpful guide in the differential diagnosis of neurologic conditions. The chart presented here is the result. There is nothing original about it except its arrangement. It is to be used only as a guide, and we wish to emphasize that it is not intended to supplant a careful consideration of the history and physical findings.
Normal values are represented by a horizontal line; values higher than normal, by diagonal lines above the horizontal, and values below normal, by a descending diagonal line. Pressure, being subject to individual interpretation and varying with the response of the child to the procedure, is placed at the right of the chart where its significance can be more carefully evaluated.
The chart has been utilized for several months and found useful. Several