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b Bacterial: Escherichia coli, Pneumococcus, Streptococcus, typhoid fever, Mycoplasma Drugs: antibiotics Inflammatory and collagen vascular disease Malignancy a E Microangiopathic anemia Disseminated intravascular coagulation a Hemolytic uremic syndrome a Cavernous hemangioma III Blood loss A Severe trauma a B Anatomic lesions Meckel diverticulum Peptic ulcer Idiopathic pulmonary hemosiderosis a a Conditions that are known to present with acute, life-threatening anemia or are associated with other serious abnormalities G6PD, glucose-6-phosphate dehydrogenase TABLE 62.3 RELATIVELY COMMON CAUSES OF PALLOR OR ANEMIA Decreased erythrocyte or hemoglobin production Iron deficiency Transient erythroblastopenia of childhood Increased erythrocyte destruction Sickle cell syndromes Autoimmune hemolytic anemia G6PD deficiency Blood loss G6PD, glucose-6-phosphate dehydrogenase Fanconi anemia is an autosomal recessive condition that results in progressive bone marrow failure generally after or years of age Fanconi anemia is characterized by a normochromic or macrocytic anemia as well as concurrent reductions in both white cell and platelet counts, in contradistinction to Diamond–