Inclusion Criteria:  Diagnosis of first or recurrent TIA, ischemic or hemorrhagic stroke, or cerebral venous thrombosis (CVT) 18 years old or older Admitted in the participating hospital If required by the institutional review board/ethics committee, signed or verbal informed consent for participation in the study from the patient or a legal representative  Exclusion Criteria:  Patients with previous TIA or stroke who are admitted to the hospital for medical conditions other than an acute stroke, e.g., patient with non-acute stroke admitted for pneumonia, rehabilitation, or procedures, such as gastric tube insertion, etc. Any condition which, in the study investigator's opinion, may jeopardize the patient by his/her participation in this study or affect the validity of the study results