Brain Ischemia [Disease/Finding] D002545 N0000000723 Encephalopathy, Ischemic C0007786 C1624 Brain Ischemia 389100007 Localized reduction of blood flow to brain tissue due to arterial obstruction or systemic hypoperfusion. This frequently occurs in conjunction with brain hypoxia (HYPOXIA, BRAIN). Prolonged ischemia is associated with BRAIN INFARCTION. 1023203 Brain Ischemia Ischemic Encephalopathy M0003886 Cerebrovascular Disorders [Disease/Finding]