Ischemic strokes are a frequent and serious disease for which early diagnosis and quick medical care allows for an efficient treatment. It's an emergency among emergencies as every minute of wait decreases the probability of survival and recovery. Recognition of the pathology by the general population and primary care professionals is mandatory and a national health policies preoccupation. Diagnosis is made in hospitals in concertation between the neurologist specialised in strokes, the diagnosis neuroradiologist and the interventional neuroradiologist. Imaging (CT or MRI) is essential for the positive diagnosis of strokes, allowing the decision and modality of treatment to be adapted for every patient. Mechanical thrombectomy associated with intravenous thrombolysis is the optimum treatment for ischemic strokes in 2019.