Study includes a cohort of men over 60 years attented in primary health care centers of Consorci d'Atenció Primària de Salut d'Eixample (CAPSE).General practitioners complete an ultrasonography training in an ultrasound unit under supervision of experienced radiologists using a standard ultrasound equipment and hand-held ultrasound (Trademark: VScan, Manufacturer: General Electric, USA). All images and video are blindly evaluated by a radiologist in order to establish the concordance in the interpretation of images between general practitioners and radiologist. Kappa index will be used to study the agreement on the presence or absence of AAA. Multivariate logistic regression analysis will be used to determine the factors that influence the presence of AAA.