4 results
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Blood Smear • Drugs ... Neutrophils - Low RBC ... Increased Requirement (e.g ... #Hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
Spherocytosis, G6PD, PK, HbC ... Folate deficiency, B12 ... Orotic aciduria, Drugs ... (e.g., hydroxyurea ... Differential #Diagnosis #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
) Morphology Microcytic ... RBC: Vitamin B12 ... Chemotherapy (e.g ... disorders, Oxidative drugs ... differential #diagnosis #hematology
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
• Common Causes ... dietary intake (e.g ... : • Worsening macrocytic ... • Labs: - CBC ... , can consider IM