What is the term for brief episodes of neurologic deficit caused by temporary interference with blood supply to the brain?

The answer is transient ischemic attacks. Transient ischemic attack signifies a medical emergency and cautions of an imminent stroke in unevenly one-third of patients who is involved. The possibility of stroke is uppermost in the first 48 hours resulting a transient ischemic attack and the preliminary assessment in the emergency section is the finest chance to recognize those at uppermost risk of stroke reappearance. The emphasis must be on distinguishing transient ischemic attack from stroke and communal simulators. Precise analysis is attained by gaining a past of sudden onset of negative indications of ischemic origin fit a vascular territory, supplemented by a normal examination and the nonappearance of neuro imaging evidence of infarction.