Microcytic Anemia Causes
- MCV < 80
- Thalassemias
- Chronic Disease or Illness
- Lead Toxicity
- Late Iron Deficiency
- Sideroblastic Anemia
Normocytic Nonhemolytic Anemia Causes
- MCV 80-100
- Anemia of Chronic Disease/Inflammation
- Aplastic Anemia
- Chronic Kidney Disease
- Early Iron Deficiency
Normocytic Hemolytic Anemia Causes
- Hereditary Spherocytosis
- RBC Enzyme Deficiency
- Hemoglobin C Defect
- Paroxysmal Nocturnal Hemoglobinuria (PNH)
- Sickle Cell Anemia
- Autoimmune
- Microangiopathic
- Mechanical Destruction
- Prosthetic Cardiac Valves
- Infection
- Snake Venom
Macrocytic Anemia Causes
- MCV > 100
- B12 Deficiency
- Folate Deficiency
- Orotic Aciduria
- Alcoholism
- Liver Disease
- Reticulocytosis
Anemia Lab Values
- Iron Deficiency Anemia
- Serum Iron Decreased
- Transferrin Increased
- Ferritin Decreased
- % Transferrin Saturation Decreased
- Pregnancy and OCP Use
- Serum Iron Normal
- Transferrin Increased
- Ferritin Normal
- % Transferrin Saturation Decreased
- Anemia of Chronic Disease
- Serum Iron Decreased
- Transferrin Decreased
- Ferritin Increased
- % Transferrin Saturation Decreased or Normal
- Hemochromatosis
- Serum Iron Increased
- Transferrin Decreased
- Ferritin Increased
- % Transferrin Saturation Increased
Iron Deficiency Anemia
- Malnutrition/Malabsorption
- Hemorrhage
- Microcytic, Hypochromic Anemia
- Decreased Heme Synthesis
- Decreased Reticulocytes
- Decreased Ferritin
- Increased Red Cell Distribution Width (RDW)
- Poikilocytosis
- Anisocytosis
- Increased Central Pallor
Hereditary Spherocytosis Disease
- Northern Europeans
- Autosomal Dominant
- Spectrin/Ankyrin Deficiency
- Spherocyte Formation
- Hemolytic Anemia
- Bilirubin Gallstones
- Jaundice
- Splenomegaly
Hereditary Spherocytosis Diagnosis & Treatment
- Increased MCHC
- Spherocytes
- Normocytic Anemia
- Eosin-5-Maleimide (EMA) Binding Test
- Osmotic Fragility Test
- Glycerol Lysis Test
- Folic Acid
- Splenectomy
Sickle Cell Anemia (Mechanism)
- Intrinsic Normocytic Hemolytic Anemia
- Point Mutation
- Autosomal Recessive
- African American
- Dehydration or Decreased O2
- Newborns Asymptomatic
- Heterozygote Malarial Resistance
Sickle Cell Anemia (Signs and Complications)
- Crew-cut on Skull X-ray
- Auto-splenectomy
- Painful Crisis
- Aplastic Crisis
- Splenic-sequestration Crisis
- Hyper-hemolytic Syndrome
- Renal Papillary Necrosis
- Salmonella osteomyelitis
- Pulmonary Hypertension
- Hyposthenuria
Sickle Cell Anemia (Management)
- Hydroxyurea
- Bone Marrow Transplant
- Folate
- Exchange Transfusion
- Penicillin Prophylaxis
Beta Thalassemia
- Microcytic, Hypochromic Anemia
- Mediterranean Populations
- Decreased Beta-Globin
- Increased HbA2
- No Intervention
- Blood Transfusions
- Hemochromatosis
- Crew-cut on Skull X-Ray
- Electrophoresis
Paroxysmal Nocturnal Hemoglobinuria (PNH)
- Defective PIG-A Gene
- Deficiency of DAF (Decay Accelerating Factor CD55)
- Dark Urine in the Morning
- Intravascular Hemolysis
- Thrombosis
- Decreased CD55 and CD59
- RBC Transfusion
- Eculizumab
- Bone Marrow Transplant is Curative
Pyruvate Kinase Deficiency
- Autosomal Recessive
- Defect in Pyruvate Kinase
- Decreased ATP
- Extravascular Hemolysis
- Hemolytic Anemia in a Newborn
- RBC Enzyme Assay
- Echinocytes
- Burr Cells
- Small Uniform Projections
- Normocytic Anemia
Cold Agglutinin Autoimmune Hemolytic Anemia (C-AIHA)
- IgM Binds to RBCs at Cold Temperatures (28-31C)
- Extravascular Hemolysis
- Waldenstrom's Macroglobulinemia
- Mycoplasma Pneumoniae
- Infectious Mononucleosis
- Lymphomas and CLL
- Acrocyanosis with Cold Exposure
- Blue Fingers and Toes
- Positive Coombs Test
- Avoid Cold
- Rituximab
- +/- Fludarabine
Warm Agglutinin Autoimmune Hemolytic Anemia (W-AIHA)
- Most Common Autoimmune Hemolytic Anemia
- IgG Coats RBCs at Warm Temperatures
- Fc Portion of IgG Recognized By Macrophages
- Extravascular Hemolysis
- Medications
- Alpha Methyldopa
- Chronic Lymphocytic Leukemia (CLL)
- Systemic Lupus Erythematosus (SLE)
- Positive Coombs Test
- Corticosteroids
- Splenectomy
- Intravenous Immunoglobulin (IVIG)
- Rituximab
Fanconi Anemia
- Autosomal Recessive
- Aplastic Anemia
- DNA Crosslink Repair Defect
- Short Stature
- Microcephaly
- Thumb and Forearm Malformations
- Cafe Au Lait Spots
- Ocular Abnormalities
- Horseshoe Kidney
- Chromosomal Breakage Testing
- Macrocytic Anemia
- Pancytopenia
- Monitor For Malignancy and Bone Marrow Failure
- Hematopoietic Stem Cell Transplantation