brain ischemia (Monarch Disease Ontology identifier MONDO_0005299) is diminished or absent blood supply to the brain caused by obstruction (thrombosis or embolism) of an artery resulting in neurologic damage. Also known as: brain ischaemic disease, brain ischemic disease, cerebrovascular ischemia, ischaemic disease of brain, ischaemic encephalopathy, ischemia cerebrovascular, ischemic disease of brain, ischemic encephalopathy.