Red Blood Cell Course

Lesson 1 • RBC Metabolism and Energy Pathways

Covers glycolysis, the pentose phosphate pathway, and antioxidant defense in mature RBCs. Explains how anucleate cells sustain membrane integrity and function.

Lesson 2 • RBC Lifespan and Senescence

Describes the 120-day RBC lifespan, senescence markers, and splenic clearance mechanisms. Establishes the lifecycle context needed for understanding hemolytic disorders.

Lesson 3 • Oxygen and Carbon Dioxide Transport

Details oxyhemoglobin dissociation, carbaminohemoglobin formation, and bicarbonate buffering. Connects RBC chemistry to systemic respiratory physiology.

Lesson 4 • RBC Structure and Morphology

Covers the biconcave disc shape, membrane composition, and cytoskeletal framework of RBCs. Provides the anatomical baseline for all subsequent functional topics.

Lesson 1 • Hematopoietic Stem Cell Origins

Introduces pluripotent stem cells, the common myeloid progenitor, and commitment to the erythroid lineage. Grounds erythropoiesis within the broader hematopoietic hierarchy.

Lesson 2 • Ineffective Erythropoiesis

Covers intramedullary destruction, causes of ineffective erythropoiesis, and clinical consequences. Prepares students to recognize conditions with high erythroid turnover but low RBC output.

Lesson 3 • Stages of Erythroid Maturation

Covers morphological changes from proerythroblast through reticulocyte to mature RBC. Enables identification of each stage in bone marrow and peripheral blood smears.

Lesson 4 • Erythropoietin Regulation

Examines EPO synthesis in the kidney, HIF-mediated oxygen sensing, and EPO receptor signaling. Explains how hypoxia drives erythroid expansion.

Lesson 1 • Hereditary Elliptocytosis and Pyropoikilocytosis

Examines spectrin alpha and beta mutations disrupting horizontal interactions, producing elliptocytes and poikilocytes. Distinguishes mild elliptocytosis from severe pyropoikilocytosis.

Lesson 2 • Hereditary Spherocytosis

Covers ankyrin, spectrin, and band 3 mutations causing spherocytosis, splenic trapping, and hemolysis. Connects genotype to clinical severity and osmotic fragility findings.

Lesson 3 • Paroxysmal Nocturnal Hemoglobinuria

Covers PIG-A mutation, GPI-anchor deficiency, and complement-mediated hemolysis in PNH. Connects membrane vulnerability to thrombosis risk and treatment rationale.

Lesson 4 • Stomatocytosis and Xerocytosis

Covers cation leak disorders affecting RBC hydration, including overhydrated stomatocytosis and dehydrated xerocytosis. Links ion transport defects to altered cell volume and hemolysis.

Lesson 1 • Alpha and Beta Thalassemia

Examines gene deletions and mutations reducing alpha or beta globin synthesis, causing imbalanced chain production and ineffective erythropoiesis.

Lesson 2 • Normal Hemoglobin Variants

Reviews HbA, HbA2, HbF, and fetal-to-adult hemoglobin switching. Establishes the normal reference framework for identifying pathological variants.

Lesson 3 • Sickle Cell Disease Pathophysiology

Covers HbS polymerization under deoxygenation, vaso-occlusion, and multi-organ damage. Links molecular sickling to clinical crises and chronic complications.

Lesson 4 • Compound Heterozygous and Rare Variants

Covers HbC, HbE, HbSC, and HbS-beta thalassemia interactions producing variable clinical severity. Develops skills in interpreting complex hemoglobin profiles.

Lesson 1 • Infectious and Parasitic Hemolysis

Covers malaria, babesiosis, and Clostridium-mediated RBC destruction mechanisms. Prepares students to recognize infection-driven hemolysis in clinical and laboratory findings.

Lesson 2 • Immune-Mediated Hemolysis

Covers warm and cold autoimmune hemolytic anemia, alloimmune hemolysis, and drug-induced mechanisms. Connects antibody specificity to clinical presentation and DAT results.

Lesson 3 • Oxidative and Toxic Hemolysis

Covers G6PD deficiency, oxidant drug exposure, and Heinz body formation causing hemolysis. Connects enzyme deficiency to vulnerability under oxidative stress.

Lesson 4 • Laboratory Diagnosis of Hemolysis

Covers LDH, haptoglobin, reticulocyte count, and peripheral smear findings that confirm and classify hemolysis. Integrates markers into a systematic diagnostic approach.

Lesson 1 • Other Nutritional Deficiencies Affecting RBCs

Covers copper, riboflavin, and vitamin E deficiencies and their distinct effects on RBC production and survival. Broadens the differential for unexplained anemia.

Lesson 2 • Aplastic and Hypoplastic Anemias

Covers immune-mediated bone marrow failure, stem cell depletion, and pancytopenia in aplastic anemia. Connects marrow biopsy findings to treatment selection.

Lesson 3 • Megaloblastic Anemia: B12 and Folate

Examines impaired DNA synthesis from B12 or folate deficiency, producing macrocytic anemia and hypersegmented neutrophils. Distinguishes the two deficiencies by mechanism and clinical features.

Lesson 4 • Iron Deficiency Anemia

Covers iron absorption, storage, and transport physiology, then links deficiency to microcytic hypochromic anemia. Develops skills in staging iron deficiency from depletion to overt anemia.

Lesson 1 • Pre-Transfusion Compatibility Testing

Covers type and screen, crossmatch methods, and antibody identification procedures. Prepares students to perform and interpret pre-transfusion testing accurately.

Lesson 2 • RBC Product Selection and Modification

Covers leukoreduction, irradiation, washing, and antigen-matched RBC selection for special populations. Links patient risk factors to appropriate product modifications.

Lesson 3 • ABO and Rh Blood Group Systems

Covers ABO antigen biochemistry, naturally occurring antibodies, and Rh D antigen immunogenicity. Establishes the serological foundation for compatibility testing.

Lesson 4 • Transfusion Thresholds and Patient Blood Management

Covers evidence-based hemoglobin thresholds, restrictive versus liberal strategies, and patient blood management principles. Connects clinical outcomes data to transfusion decision-making.

Lesson 1 • Molecular Diagnostics in RBC Disorders

Covers PCR-based globin gene analysis, next-generation sequencing panels, and molecular blood group typing. Enables application of molecular tools to complex diagnostic scenarios.

Lesson 2 • Advanced Hematology Analyzer Interpretation

Covers extended RBC indices, reticulocyte parameters, and flagging algorithms from modern analyzers. Develops skills in extracting maximum diagnostic value from automated CBC data.

Lesson 3 • Pharmacological Modulation of RBC Function

Covers hydroxyurea, voxelotor, L-glutamine, and crizanlizumab mechanisms in sickle cell disease. Connects drug targets to measurable clinical and laboratory endpoints.

Lesson 4 • Artificial Oxygen Carriers and RBC Substitutes

Covers hemoglobin-based oxygen carriers, perfluorocarbon emulsions, and cultured RBC technology. Critically evaluates the current limitations and future potential of RBC substitutes.