20 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
for Hemolysis - ... Intravascular Hemolysis ... Microangiopathic hemolytic ... intravascular coagulation (DIC ... #hematology #anemia
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Hemolytic Anemia ... reticulocytes • Hemolysis ... #Hemolytic #Anemia ... #diagnosis #management ... #treatment #rheumatology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... • Marrow Aplasia ... Bleed • Hemolysis ... Microangiopathic Hemolytic ... #Hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Intravascular Hemolysis ... and RES-mediated hemolysis ... Intravascular - Hemolysis ... immune-complex hemolytic ... #Hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
-100): • Non-hemolytic ... : ACD, Aplastic ... Hemolytic: ... - Extrinsic: Autoimmune ... #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... thrombocytopenia - DIC ... hemolysis) ARUPConsult ... @ARUPLabs #Hemolytic ... #workup #hematology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
for Hemolytic Anemia ... udaygulati #Hemolytic ... #Diagnosis #causes ... #classification ... #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
marrow failure: Aplastic ... Retroperitoneal, Uterine • Hemolysis ... hemolytic anemia ... Production #Index #hematology ... #diagnosis #calculation
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... MAHA: TTP, HUS, DIC ... Membrane): - Autoimmune ... Urobilinogen #Hemolysis ... #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Diagnosis: • hemolytic ... • Compensated hemolysis ... intravascular hemolysis ... agglutinin #disease #hemolytic ... #anemia #hematology