medDARE delivered a dataset of 250 curated brain MRI cases featuring hyperacute ischemic strokes caused by large vessel occlusions (LVOs). The cases focused on occlusions in the intracranial internal carotid artery (ICA), proximal segments of the PCA, MCA, and ACA, as well as the intracranial vertebral artery (VA) and basilar artery (BA).