There are around 30,000 TIAs (transient ischemic attacks) per year in France. This pathology can be the warning sign of a stroke, responsible for significant morbidity and mortality at the population level. An important part of patient care is to teach them to recognize the symptoms suggestive of a stroke as well as the contributing factors, thus improving the medical literacy of patients. The results of studies that have assessed medical literacy in France and Europe converge towards a rather low level. Some studies have focused on stroke literacy in France. They show good knowledge of risk factors and the attitude to adopt in the event of a stroke, but recognition of symptoms remains problematic. There is very little literature concerning knowledge of TIA in the general population and there are no studies concerning literacy in a population having presented with TIA. The aim of this study is to evaluate the knowledge of patients who have presented with a TIA (and therefore at high cardiovascular risk) about this disease (risk factors, symptoms, severity, attitude to adopt in the event of symptoms), after their visit to the emergency room. The investigators make the hypothesis that knowledge of TIA and its consequences will be rather low in this population of patient, even after a medical contact at the emergency room.