Differential diagnosis is made with
marantic endocarditis, associated with neoplastic processes, for which advocates the fever and the antral gastric cancer, but where the echocardiographic image is typical with numerous tiny vegetations, with frequent embolic complications and severe prognostic (unlike our case); endocarditis in collagenoses, specific for the female gender, that also associates fever, tiredness, weight loss, but with no systemic complications and no biological features of colagenosis in our case.