16 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
- Differential ... Diagnosis Algorithm ... Anemias (AIHAs) ... #Diagnosis #Algorithm ... #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
- Differential ... Diagnosis Algorithm ... Extravascular #Differential ... #Diagnosis #Algorithm ... #Causes #Hematology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
1) DIAGNOSE AIHA ... • Blood smear: Differential ... FOR a cause → Systematic ... screening 3) TREAT AIHA ... management #treatment #rheumatology
Autoimmune Hemolytic Anemia (AIHA)

WARM AHA
- Primary - Idiopathics
- Secondary
Infectious
 • Viral- HIV, EBV, HCV, HEV
 •
Autoimmune Hemolytic ... Anemia (AIHA) ... Autoimmune • Lupus ... Diagnosis #Differential ... #Algorithm
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
- Autoimmune (AIHA ... usually IgG) (e.g. lupus ... - Autoimmune (AIHA ... Extravascular #Causes #differential ... #diagnosis #hematology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Coagulopathy) SMZL: • AIHA ... • Coombs (-) hemolytic ... to cold IgG • Lupus ... Paraproteinemias #Hematology ... #Monoclonal #Differential
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Diagnosis Algorithm ... Inflammatory • Systemic ... Lupus Erythematosus ... Serum Sickness Hemolytic ... #Causes #Hematology
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
atheroembolic, AIHA ... glomerulonephritis (>90%) S - Systemic ... Lupus Erythematosus ... Mnemonic #diagnosis #differential ... #hematology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Pancytopenia - Differential ... Autoimmune Diseases: • Systemic ... lupus erythematosus ... Antibody-mediated hemolysis ... #Diagnosis #Hematology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... Lymphadenopathies 7% - Hemolytic ... (aPL) 30-45% Differential ... Lupusreference #SLE #Systemic ... #rheumatology