CRP and Thrombocytopenia: Results of laboratory tests were significant for severe thrombocytopenia (platelets <2,000/μL [normal for age = 150,000–700,000]), anemia, eosinophilia, and elevated erythrocyte sedimentation rate and C-reactive protein, lactate dehydrogenase, and pro-brain natriuretic peptide, an indicator of poor cardiac function (Table).