51 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Red Blood Cell ( ... anemia (sometimes ... , McLeod blood group ... #differential #diagnosis ... #hematology #microscopy
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
1) DIAGNOSE AIHA ... • Anemia: macrocytic ... type ± C3d • Blood ... #diagnosis #management ... #treatment #rheumatology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell ( ... , Liver diseases ... , Liver diseases ... Morphology #Atlas #key #diagnosis ... #differential #hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Diagnostic Framework ... chronic kidney disease ... , Acute blood loss ... #differential #diagnosis ... #causes #hematology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
- Differential Diagnosis ... Congenital Diseases ... deficiency • Fanconi’s anemia ... • Epstein-Barr virus ... #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
the peripheral blood ... Chronic kidney disease ... > 3: • Acute blood ... Production #Index #hematology ... #diagnosis #calculation
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential Diagnosis ... Algorithm Blood ... Disease • Marrow ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
- Differential Diagnosis ... Algorithm Normal Blood ... • Pancreatic Disease ... • Liver Disease ... #Differential #Diagnosis
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
- Differential Diagnosis ... hematologic: Acute blood ... hemolysis, deficiency anemia ... Inflammatory Conditions: Rheumatologic ... Vasculitides, IBD, Celiac disease
Features of a Sickle Cell Crisis 
Sickle-cell disease - an autosomal recessive blood disorder.
Characterized by red
Sickle-cell disease ... Sickle cell disease ... The underlying pathophysiology ... of the baseline anaemia ... Parvovirus B 19, a virus