13 results
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Diagnosis Table ... hemoglobinuria) • Cold Agglutinin ... #Diagnosis #Table ... #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
syndrome - Thrombotic ... microangiopathy: Thrombotic ... . primary cold agglutin ... Extravascular #Causes #differential ... #diagnosis #hematology
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
Differential diagnosis ... : • Thrombotic ... - Drug-induced thrombotic ... #schistocytes #differential ... #diagnosis #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Diagnosis: • hemolytic ... younger pts) Differential ... passage of red-brown urine ... #disease #hemolytic ... #anemia #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... Agglutination - Cold agglutinins ... #Anemia #Differential ... Algorithm #workup #hematology
Thrombotic Microangiopathies - Primary Thrombotic Microangiopathy (TMA) - Differential Diagnosis Table

 • Thrombotic Thrombocytopenic Purpura (TTP)
- Primary Thrombotic ... Microangiopathy (TMA) - Differential ... Diagnosis Table ... Microangiopathy #TMA #hematology ... #differential #
Algorithm for workup of thrombocytopenia based on observation of the peripheral blood film. 
TTP/HUS indicates thrombotic
/HUS indicates thrombotic ... thrombocytopenic purpura/hemolytic ... thrombocytopenia, Hematology ... #Diagnosis #Differential
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
Approach to Thrombotic ... Microangiopathy (TMA) - Differential ... Haptoglobin, LDH, Urine ... Haptoglobin • ↑ Urine ... MatthewHoMD #Thrombotic
Thrombotic Microangiopathy - TTP VS HUS

Big picture points : Often hard to differentiate the two entities,
Thrombotic Microangiopathy ... Often hard to differentiate ... testing for TTP #Thrombotic ... Comparison #Diagnosis #Table ... #Hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
spherocytosis, Hemolytic ... Schistocytes - Hemolytic ... uremic syndrome, Thrombotic ... key #diagnosis #differential ... #hematology