13 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
(sometimes) Macrocytic ... hemolytic anemia ... hemolytic anemia ... #Morphology #differential ... hematology #microscopy #atlas
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell (RBC ... ) Morphology Atlas ... Lead poisoning • Macrocytic ... spherocytosis, Hemolytic ... key #diagnosis #differential
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Hemolytic Anemia ... : macrocytic > normocytic ... ↑ LDH • Anti-RBC ... • Blood smear: Differential ... #Hemolytic #Anemia
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential ... , CKD • Hemolytic ... - Extrinsic: Autoimmune ... Infections Macrocytic ... Non-megaloblastic: Liver disease
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... RBCs, DAT (-) → ... idiopathic, malignancy, autoimmune ... disease, drugs, ... #Anemia #Differential
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... elliptocytosis, autoimmune ... #Anemia #Differential ... Diagnosis #Algorithm #workup
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... idiopathic) - Autoimmune ... • Intrinsic RBC ... Extravascular #Causes #differential ... diagnosis #hematology #anemia
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Membrane): - Autoimmune ... , Drugs, Liver Disease ... Defects: Sickle cell anemia ... #Differential #
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
transform into a RBC ... Chronic kidney disease ... : Autoimmune, Microangiopathic ... hemolytic anemia ... #differential #
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Viral infection, autoimmune ... anemia • Cold ... CLL (older) • Autoimmune ... pts) Differential ... #hemolytic #anemia