The earliest manifestation of increase intracranial pressure following head injury is: (A) Hemiparesis, (B) Altered mental status, (C) Ipsilateral pupillary dilatation, (D) Contralateral pupillary dilatation
Answer is B. Early signs of elevated ICP includes drowsiness and a diminished level of consciousness Coma and unilateral papillary changes are late signs and require immediate intervention Ref : Harrison's 19th edition Pgno :1779