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Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Anemia (AIHA) - ... Table Warm AIHA ... Cold Agglutinin Disease ... #Table #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
anemia (sometimes ... spherocytosis, Autoimmune ... : Cold autoimmune ... #differential #diagnosis ... #hematology #microscopy
Treatments for Sickle Cell disease

#Sicklecell #sicklecelldisease #sicklecellanemia, #sicklecells #sickle #hematology #anemia #clinical #pediatrics #FOAM #FOAMed
Treatments for Sickle ... Cell disease ... sicklecells #sickle #hematology ... #anemia #clinical
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Hemolytic Anemia ... Hemolytic Anemia ... Spherocytes • Treatment ... transient hemolysis • Treatment ... #hematology #diagnosis
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
- Differential Diagnosis ... Megakaryopoiesis • Aplastic Anemia ... methotrexate) • Drugs Autoimmune ... ITP • SLE • CLL ... Algorithm #Causes #Hematology
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
Microspherocytes: Autoimmune ... hemolytic anemia ... cells: Sickle cell ... disease Bite cells ... Smear #Analysis #hematology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Warm Antibody Autoimmune ... 1) DIAGNOSE AIHA ... Warm #Antibody #Autoimmune ... #diagnosis #management ... #treatment #rheumatology
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
and Differential Diagnosis ... Pelger-Huet, Macrocytic anemia ... - bcr-able (+) ... Blood #Disorders #hematology ... #Differential #Diagnosis
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Microangiopathic hemolytic anemia ... ) (e.g. lupus, CLL ... #differential #diagnosis ... #hematology #anemia
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Membrane): - Autoimmune ... Drug-associated, PCH ... Defects: Sickle cell ... anemia, Thalassemias ... #hematology