Beta Blocker Effects in Traumatic Brain Injury

The study will be conducted on polytrauma patient who are admitted from emergency room or postoperative with head trauma . Patients will be randomly assigned into two groups by sealed envelope technique into two equal groups. Parameters assessment: * Length of ICU stay * Length of total hospital stay * CT scan to exclude another intracranial hemorrhage or increase in hemorrhage * Functional status will be assessed using the GCS * Hemodynamic data ( bl.p / hr ) * Crystalloid volume that patient need in 24h * Mortality rate