14 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... - Differential ... Membrane defects, Enzyme ... #Anemias #Differential ... Diagnosis #Algorithm #hematology
Causes of Hemolytic Anemia - Differential Diagnosis
Inherited
 • Membrane
 • Internal
    - Hemoglobin
Causes of Hemolytic ... Anemia - Differential ... Hemoglobin - Enzyme ... #Anemia #Differential ... Diagnosis #Causes #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... Intrinsic RBC Defects: Enzyme ... Extravascular #Causes #differential ... #diagnosis #hematology ... #anemia
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
- Differential ... elliptocytosis - RBC Enzyme ... anemia • ... Extravascular #Differential ... Algorithm #Causes #Hematology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... for Hemolytic Anemia ... Intrinsic Causes: • Enzyme ... #Anemia #Differential ... classification #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... deficiency, Other enzyme ... #Anemia #Differential ... Algorithm #workup #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... , Spiders - Enzyme ... Defects: Sickle cell anemia ... #Differential # ... Diagnosis #hematology
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
2-5x normal - Hemolysis ... , NASH, Genetic ... Liver #Injury #hepatology ... #LFTs #transaminitis ... #differential #
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
value for this enzyme ... result in severe anemia ... anemia Indirect ... WBC count and differential ... Diagnosis #Workup #Hematology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... Source of Liver Enzyme ... chemistry #diagnosis #differential ... #Hepatology #transaminitis ... #LFTs #RValue #