An AI-Based CDSS for Integrated Management of Patients With Acute Ischemic Stroke(GOLDEN BRIDGE II)

Inclusion Criteria: * Cluster Inclusion Criteria: * Secondary or tertiary hospitals with an emergency department and neurologic wards that receive patients with AIS. * Hospitals with available brain MRI scans (1.5T or 3.0T). * Patient Inclusion Criteria: * Patients of 18 years or older. * Patients admitted with neurological deficit consistent with ischemic stroke within 7 days of of symptoms onset. (\*Symptom onset is defined by the "last seen normal" principle) * Confirmation of new ischemic stroke by objective modality of CT scan and MRI (had relevant lesions on DWI). * Informed consent from patient or legally authorised representative (primarily spouse, parents, adult children, otherwise indicated). Exclusion Criteria: * Cluster Exclusion Criteria: * Grade-one hospitals and rural hospitals. * The specialized hospitals, such as women and children specialist hospital and tumor hospital. * Hospitals with less than 20 patients with suspected AIS per month. * Patient Exclusion Criteria: * Diagnosed DWI negative stroke. * Diagnosed other types of cerebrovascular diseases, such as transient ischaemic attack, hemorrhagic stroke, cerebral venous sinus thrombosis, and so on. * Diagnosed non cerebral vascular disease, such as stroke mimic, seizures, central nervous system infections, metabolic encephalopathy, and so on. * Received carotid endarterectomy (CEA) and carotid angioplasty and stenting (CAS). * Involving in other investigational drug or device clinical trials. * Patients with malignant disease and life expectancy of less than 3 months or patients who are unable to complete the study for other reasons. * Women who are pregnant or postpartum (≤6 weeks). * Patients refuse to participate in this study.