THE ANSWER
At first glance, other than the hematoma, everything appears to be normal. The primary concern with this scenario is the fact that the patient takes warfarin daily. The warfarin is likely taken to reduce the incidence of thrombus/embolus formation which may be asociated with atrial fibrillation. At theraputic levels warfarin slow clotting speed and significantly increases the risk of hemorrhage. Therefore he is at increased risk for developing an intracranial bleed secondary to the fall. Even though all else appears well he should strongly advised to be transported for further evaluatioln and observation.