This article presents and discusses the case of a 38 year-old black female patient admitted to Hospital das Clínicas de Porto Alegre with fever, weight loss, petechiae, splenomegaly and systolic murmur. The patient received IV cefepime. The results of bone marrow tests were consistent with the diagnosis of pre-B acute lymphocytic leukemia (ALL). The patient received erythrocyte transfusions and chemotherapy with vincristine and daunorubicin. Six days after the admission, the patient presented anxiety and tachypnea. Diazepam 5 mg was administered. The patient had several episodes of cardiorespiratory arrest and died.

O artigo apresenta e discute o caso de uma paciente de 38 anos, negra, internada no Hospital de Clínicas de Porto Alegre, apresentando febre, emagrecimento, petéquias, esplenomegalia e sopro sistólico. Foi medicada com cefepime EV. Através do exame de medula óssea, realizou-se o diagnóstico de leucemia linfocítica aguda (LLA) pré-B. A paciente recebeu transfusões de hemácias e quimioterapia com vincristina e daunorubicina. Seis dias após a internação, a paciente apresentava ansiedade e taquipnéia. Recebeu diazepam 5 mg. Sofreu várias paradas cardiorrespiratórias e evoluiu ao óbito.