Observations on THE DIFFERENTIAL DIAGNOSIS AND TREATMENT OF CEREBRAL STATES CONSEQUENT UPON HEAD INJURIES *

hiowever, the proportion of cases of head injury which !equire immediate operative intervention is very small, and ik limited to those in which a compound fracture calls for tile obvious surgical toilet, or the rupture of a meningeal aitery threatens life from cerebral compression. -In so far as the latter is a cerebral state consequent upon head injury it miight be included within the limits of our title, but in order that we may proceed to other and numerically rniore important 'aspects of our subject I shall propose to rcfer to it only in passing. TIme various crianial nerve pal'sies which may result from fractures of the base are necessarily excluded as forming