Labs
CBC, ESR, CRP, iron studies, LDH
CXR
Fecal occult blood test
CBC, ESR, CRP, iron studies, LDH
platelet count >450,000/microL.
Thrombocytosis
Acute blood loss
Thrombocytopenia
Acute hemolytic anemia
Polycythemia
Iron deficiency anemia
Leukopenia
Treatment of vitamin B12 deficiency