15 results
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential ... • B12/Folate ... Deficiency • Aplastic ... #Classification ... Algorithm #Causes #Hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Volume (MCV) - Differential ... (>100 fL) • B12 ... #MCV #Classification ... #Differential # ... Algorithm #Causes #Hematology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Pancytopenia - Differential ... • Fanconi’s anemia ... Diseases: • Systemic lupus ... consumption • Vitamin B12 ... #Diagnosis #Hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential ... Spherocytosis, G6PD, PK, HbC ... , B12 deficiency ... MCV #Algorithm #Differential ... #Diagnosis #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
: Pyridoxine deficiency ... : Vitamin B12 or ... Folate deficiency ... #Morphology #differential ... #diagnosis #hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Volume (MCV) - Differential ... Neutrophils - Low RBC ... • Dietary Deficiency ... and Folate Deficiency ... Algorithm #Causes #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
deficiencies: Iron deficiency ... loss), Vitamin B12 ... , G6PD deficiency ... Production #Index #hematology ... #anemia #differential
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
formerly known as ... crisis • Severe B12 ... deficiency • Mechanical ... macroangiopathic hemolytic anemia ... #diagnosis #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
usually IgG) (e.g. lupus ... G6PD deficiency) ... Extravascular #Causes #differential ... #diagnosis #hematology ... #anemia
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
to repair DNA, as ... , GATA2 deficiency ... , CTLA4 deficiency ... • ↓ WBC • ↓ ... #oncology #hematology