197 results
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
- Differential Diagnosis ... malignancies • Infection ... Toxins • Aplastic Anemia ... deficiency: • B12 ... Algorithm #Causes #Hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
- Differential Diagnosis ... Inflammation, Chronic Infection ... (>100 fL) • B12 ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... TPO, TPO-RA • Infections ... : Chronic infections ... bacterial and viral infections ... #Algorithm #hematology
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
- Differential Diagnosis ... Reactive: • Anemia ... deficiency) • Infection ... (malignancy, rheumatologic ... causes #Platelets #hematology
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
- Differential Diagnosis ... deficiency • Fanconi’s anemia ... consumption • Vitamin B12 ... deficiency Infections ... #Hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential Diagnosis ... Macroangiopathic, Infections ... Folate deficiency, B12 ... Non-megaloblastic: Liver disease ... #hematology
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Diagnostic Algorithm ... chronic kidney disease ... - Vitamin B12 ... Underproduction #Algorithm #hematology ... #diagnosis #differential
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... - Differential Diagnosis ... Hypersplenism, Infection ... #Differential #Diagnosis ... #Algorithm #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
loss), Vitamin B12 ... Chronic kidney disease ... (e.g. cancer, infection ... G6PD deficiency), Infections ... Production #Index #hematology
Approach to Hypoproliferative Macrocytic Anemia

 • 812, Folate Deficiency
 • MDS+
 • Hypothyroid
 • Liver Disease
812, Folate ... Hypothyroid • Liver Disease ... #Macrocytic #Anemia ... #differential #diagnosis ... #algorithm #hematology