41 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Reticulocytes • Abnormal ... Hemolytic Anemias ... Hemolytic Anemias ... #hematology
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Hemolytic Anemia ... Hemolytic Anemia ... Hemolytic Anemia ... #Hemolytic #Anemia ... #hematology #diagnosis
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic ... IgG mediated - DAT ... #Hemolytic #Anemia ... Pathophysiology #diagnosis ... #hematology
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Anemia (AIHA) - ... Mixed-type AIHA (7-8%) DAT-negative ... #Hemolytic #Anemia ... #Table #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... anemia): ... ) - HELLP syndrome ... uremic syndrome ... #hematology #anemia
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
spherocytosis, Autoimmune ... hemolytic anemia ... hemolytic anemia ... #differential #diagnosis ... #hematology #microscopy
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential Diagnosis ... , CKD • Hemolytic ... - Extrinsic: Autoimmune ... Non-megaloblastic: Liver ... #hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Myelodysplastic syndrome ... spherocytosis, Hemolytic ... uremic syndrome ... Morphology #Atlas #key #diagnosis ... #differential #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Membrane): - Autoimmune ... Drug-associated, PCH, Evans Syndrome ... Defects, Drugs, Liver ... Defects: Sickle cell anemia ... Blood Smear ↑ abnormal
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
- Differential Diagnosis ... Cold AIHA • Alloimmune ... Drug-induced AIHA - Abnormal ... anemia • ... #Differential #Diagnosis