Stroke Rate in Patients With Blunt Cerebrovascular Injury (BCVI) Treated With Oral Acetylsalicylic Acid (ASA) 81 mg Versus ASA 325 mg (BASA).

Inclusion Criteria: * Age ≥18 * All patients with blunt cerebrovascular injury are diagnosed by computed tomography angiography (CTA) upon admission Exclusion Criteria: * Age \<18 * Pregnant women * No enteral route access for Aspirin administration * Patients who are on Heparin drip or other full dose anticoagulation when BCVI diagnosed * Patients who are on other Anti-Platelets aside from Aspirin when BCVI diagnosed * Patients with BCVI grade 5 injury based on Biffl classification * Presence of any contraindication or history of allergy to Aspirin * Patient with the diagnosis of acute stroke at the time of BCVI diagnosis matching the injured vessel territory on imaging * Patients with acute spinal trauma that needs surgical intervention