Echocardiography Versus no Echocardiography in S. Aureus Bacteraemia and VIRSTA Score < 3

"transthoracic echocardiography (TTE) will be performed as soon as possible within 14 days following the first blood sample collection for SAB diagnosis, completed, if required, by a transoesophageal (TEE) echocardiography based on the judgment of the echocardiographist.~SAB in patients of both arms will be treated according to current recommendations, taking into account the result of the echocardiography in the control arm. "

"no echocardiography will be performed unless occurrence of new events evocating IE (extra-cardiac events or positive Staphylococcus aureus blood culture), based on the clinical judgment of the investigator.~SAB in patients of both arms will be treated according to current recommendations, taking into account the result of the echocardiography in the control arm. "