8 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... idiopathic) - Autoimmune ... spherocytosis) • Infections ... #Hemolytic #Intravascular ... #anemia
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Hemolytic Anemias ... Hemolytic Anemias ... Hypersplenism, Infection ... #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Diagnosis Algorithm ... Cold AIHA • Alloimmune ... circulation - Infections ... anemia • ... #Causes #Hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
Algorithmic Approach ... , CKD • Hemolytic ... - Extrinsic: Autoimmune ... Macroangiopathic, Infections ... #MCV #Algorithm
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
deficiency • Fanconi’s anemia ... Inflammatory and Autoimmune ... Antibody-mediated hemolysis ... deficiency Infections ... • Epstein-Barr virus
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Differential Diagnosis Algorithm ... inclusions - If infection ... elliptocytosis, autoimmune ... #workup #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
, autoimmune disorder ... anemia • Cold ... CLL (older) • Autoimmune ... the RBCs causing intravascular ... #anemia #hematology
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
inflammation or infection ... , disseminated intravascular ... vasculitis, such as autoimmune ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash