Data from the international literature showed that 78% of people who come out of emergency after consultation do not clearly understand the instructions and only 20% are aware of their lack of understanding. Waisman et al. Documented that 25% of patients did not understand their diagnosis and that 13% to 18% did not understand treatment instructions. Heng et al. Have shown that patients leaving after head trauma are unable to cite the symptoms that should prompt them to consult quickly.