Section 01
Hematology
Numbers first. Then patterns, flags, films, and the clinical context that tells us whether the story holds together.
15 published guides. Explore by topic below; article numbers and article Previous / Next links retain their existing order.
CBC Basics
Build a practical foundation for interpreting CBC results, red cell indices and platelet findings.
CBC interpretation · 12 min read
Complete Blood Count (CBC) Interpretation: A Practical Guide
A bench-first way to read the CBC as a connected pattern, decide what needs verification, and avoid being led by flags alone.Red cell indices · 14 min read
MCV Gives Direction, Not a Diagnosis
A practical laboratory approach to MCV interpretation, including microcytic, normocytic and macrocytic patterns, RDW, RBC count, blood loss, reticulocytes and mixed red-cell populations.Red cell indices · 17 min read
RDW Shows the Variation, Not the Cause
A practical laboratory guide to RDW interpretation, including MCV and RDW patterns, anisocytosis, iron deficiency, mixed red-cell populations, transfusion, reticulocytosis, RDW-CV and RDW-SD.Platelets · 16 min read
Low Platelet Count: Is It Real?
A practical laboratory approach to an unexpected low platelet count, including platelet clumping, pseudothrombocytopenia, giant platelets, analyzer flags, blood film review, and technical verification.Microcytosis
Follow a structured approach from red cell indices and iron studies to thalassaemia and haemoglobin analysis.
Red cell patterns · 15 min read
Microcytic Anemia: How I Read the Pattern
A practical laboratory approach to microcytic anemia using hemoglobin, MCV, RDW, RBC count, previous results, iron studies, analyzer information, and the blood film.Red cell patterns · 12 min read
RBC Count in Microcytosis: A Useful Clue, Not a Diagnosis
How RBC count changes the interpretation of microcytosis when read with MCV, RDW, hemoglobin, previous results, iron studies, and morphology.Hematology · 16 min read
Iron Studies in Microcytosis: Do They Fit the Pattern?
Ferritin matters. But the panel — and the context — matter more.Hematology · 15 min read
Peripheral Blood Film in Microcytosis: What Does the Morphology Add?
A practical laboratory approach to using red-cell morphology alongside the CBC, iron studies, previous results, and clinical context.Hematology · 20 min read
Thalassemia Trait on the CBC: When Microcytosis Does Not Fit Iron Deficiency
How RBC count, RDW, iron studies, previous results, and the blood film can point toward a thalassemia-type pattern — without turning screening clues into a diagnosis.Hematology · 18 min read
Hemoglobin Analysis in Microcytosis: What Does HbA₂ Actually Tell You?
How HbA₂, HbF, iron status, red-cell indices, and method-related pitfalls help interpret a microcytic pattern.Hematology · 21 min read
HbE on Hemoglobin Analysis: Why the Method Changes What You See
How CBC findings, HbE percentage, HbA, HbF, iron status, and analytical method help separate simple HbE trait from more complex patterns.Hematology · 18 min read
Alpha-Thalassemia Trait: When the CBC Suggests More Than the Hemoglobin Analysis
How persistent microcytosis, RBC count, iron studies, previous results, and molecular testing help when routine hemoglobin analysis looks normal.Hematology · 25 min read
HbH Disease: When Microcytosis Is More Than Alpha-Thalassemia Trait
Recognize HbH disease through CBC patterns, reticulocytes, blood film morphology, brilliant cresyl blue inclusions, hemoglobin analysis, and alpha-globin genetics.Analyser Interference
Explore analytical interference and situations in which CBC results no longer agree.
Hematology · 11 min read
Cold Agglutination on the CBC: When the Numbers Stop Agreeing
Learn to recognise cold agglutination on the CBC, investigate increased MCHC, distinguish agglutination from rouleaux, and verify results before reporting.Hematology · 15 min read
Delta Checks in Haematology: When a Result Changes Too Much
Recognise unexpected CBC changes, investigate specimen problems and genuine clinical changes, and decide what can safely be reported.Start with what does not fit.
Read related results as a pattern.
Check the specimen, history, and film.