Wallach's Interpretation of Diagnostic Tests: Pathways to Arriving at a Clinical Diagnosis (286 page)

Figure 9–1
Workup of anemias based on the mean corpuscular volume (MCV).

Onset

   Acute

   Bleeding

   Hemolysis

   Acute bone marrow disease (e.g., leukemias)

   Chronic

   Deficiencies: iron (most common), folic acid, vitamin B
₁₂
, nutritional

   Congenital (hemoglobinopathies, hereditary spherocytosis)

   Neoplasia, especially metastatic or hematologic malignancies

   Renal disease

   Chronic inflammatory disorders

   Many others

When to Suspect Anemia

   Children