52 results
Calculating a Reticulocyte Index (RI)
Reticulocyte Index = Absolute Reticulocyte Count / Maturation Correction
Absolute Reticulocyte Count =
reticulocytes x Patient's Hct ... / Normal Hct ... Index #RI #RPI #hematology ... #diagnosis #anemia
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Pancytopenia - Differential ... Toxins • Aplastic Anemia ... Myelodysplasia Nutritional deficiency ... #Neutropenia #Differential ... Algorithm #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Inflammatory: • IBD ... malignancy • Iron deficiency ... anemia #Thrombocytosis ... Algorithm #Causes #Hematology
Approach to Hypoproliferative Macrocytic Anemia

 • 812, Folate Deficiency
 • MDS+
 • Hypothyroid
 • Liver Disease
Hypoproliferative Macrocytic Anemia ... • 812, Folate Deficiency ... #Macrocytic #Anemia ... #differential # ... diagnosis #algorithm #hematology
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Algorithm - Iron deficiency ... anemia - Anemia ... and/or folate deficiency ... Underproduction #Algorithm #hematology ... #diagnosis #differential
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
= (Retic %) x (Hct ... deficiencies: Iron deficiency ... , G6PD deficiency ... Production #Index #hematology ... #anemia #differential
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
Iron Deficiency ... Anemia - Differential ... Tropical sprue, IBD ... #Anemia #Differential ... Algorithm #ferritin #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... → Refer to hematology ... Acute hemolysis, deficiency ... anemia, Rebound ... Diagnosis #Algorithm #hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential ... inflammation) • Iron deficiency ... , B12 deficiency ... MCV #Algorithm #Differential ... #Diagnosis #hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Volume (MCV) - Differential ... 80 fL) • Iron Deficiency ... • Folate Deficiency ... Classification #Differential ... Algorithm #Causes #Hematology