65 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... - Differential ... • Extrinsic RBC ... #Anemias #Differential ... Diagnosis #Algorithm #hematology
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
> 50x normal - Ischemic ... 2-5x normal - Hemolysis ... AST:ALT = 1 - Ischemia ... Viral Hepatitis, Ischemic ... #Injury #hepatology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Volume (MCV) - Differential ... Bleed • Hemolysis ... Microangiopathic Hemolytic ... #Differential # ... Algorithm #Causes #Hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Drug-associated, PCH, Evans Syndrome ... Defects, Drugs, Liver ... Defects: Sickle cell anemia ... Diagnosis #hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell (RBC ... Myelodysplastic syndrome ... uremic syndrome ... key #diagnosis #differential ... #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Microangiopathic Hemolytic ... spherocytosis, Autoimmune hemolytic ... Cold autoimmune hemolytic ... #Morphology #differential ... #diagnosis #hematology
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
Differential diagnosis ... syndrome (ST-HUS ... anemia" • HELLP ... syndrome • Catastrophic ... #diagnosis #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... • Intrinsic RBC ... Extravascular #Causes #differential ... #diagnosis #hematology ... #anemia
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
concentrations in: RBCs ... , muscle, liver, ... hepatitis • Ischemic ... distinguishes ischemic ... injury • Demand ischemia
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
AIHA • Anemia ... ↑ LDH • Anti-RBC ... • Blood smear: Differential ... #management #treatment ... #rheumatology