- Neutropenia (new diagnosis or associated with fever/infection)
- Symptomatic anemia (eg, cardiac ischemia, hemodynamic instability, worsening congestive heart failure)
- Thrombocytopenia (platelets <10,000/microL, or <50,000/microL associated with bleeding)
- Disseminated intravascular coagulation
- Abnormal peripheral blood smear (eg, microangiopathy, blasts)
- Severe aplastic anemia
- Hemophagocytic lymphohistiocytosis
- Metabolic emergencies (eg, symptomatic hypercalcemia, hyperkalemia, tumor lysis syndrome)
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