In order to achieve our objective, we plan to recruit 155 patients > 70 years old in primary care settings for which primary care physicians will perform the BAT (composed of specific questions and clinical exams). At the end of the consultation, the primary care physician will fill a questionnaire where the absence/presence of syndromes will be recorded (according to the findings of the BAT). Each patient will be then seen a second time by expert geriatricians that will perform a full geriatric evaluation (90 minutes). This will allow to calculate the performances of the intervention (BAT) in terms of sensibility /specificity,...