5 results
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
(MCV): Average RBC ... Under 80 = microcytic ... (EPO), iron or B12 ... of substrate (e.g ... Workup #Hematology #Microcytic
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
) Morphology Microcytic ... anemia (sometimes) Macrocytic ... RBC: Vitamin B12 ... Chemotherapy (e.g ... Diseases #Red #BloodCell
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
Framework by MCV Microcytic ... Spherocytosis, G6PD, PK, HbC ... Infections Macrocytic ... Folate deficiency, B12 ... aciduria, Drugs (e.g
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Neutrophils - Low RBC ... Increased Requirement (e.g ... - Low Serum B12 ... Pernicious Anemia RBCs ... Liver Disease #Macrocytic
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
Vitamin B12 (Cobalamin ... dietary intake (e.g ... : • Worsening macrocytic ... • Labs: - CBC ... , can consider IM