Spinal block is but one of the disturbances of the circulation of the cerebrospinal fluid that the physician encounters in the treatment of epidemic meningitis. From a clinical standpoint, spinal block is the obstruction of the circulation of the cerebrospinal fluid most frequently encountered. In this brief preliminary report, we will confine our observations to spinal block to the exclusion of the other disturbances of circulation or reabsorption of the spinal fluid encountered as a complication of epidemic meningitis.
The question as to the existence of a true circulation of the spinal fluid, or the possibility of the distribution of spinal fluid by diffusion as emphasized by Sachs,1 has little bearing on a clinical description of spinal block. Spinal block results in an absence of spinal fluid in the canal whether the spinal fluid is distributed by a true circulatory impulse or by diffusions.
When in the course of