Although this combination should theoretically be more efficient for identifying infection than separate use of these tests, and therefore our probability of obtaining false negative results should be low, we do not rule out the possibility of some errors.
No descartamos que exista la posibilidad de error de las mismas, si en el interrogatorio el paciente hubiera omitido mencionar el antecedente de utilización de antisecretores, antibióticos o AINES/ASA.