2229 results
Infectious Risks in Asplenia and Deficiencies in Humoral Immunity and Complement - Venn Diagram
Humoral Immunity:
 •
Humoral Immunity and Complement ... T and B cells Complement ... PrathitKulkarni #complement ... immunocompromised #infections #differential
Causes of Hemolytic Anemia - Differential Diagnosis
Inherited
 • Membrane
 • Internal
    - Hemoglobin
Hemolytic Anemia - Differential ... Antibody/DAT+ - Complement ... Hemolytic #Anemia #Differential
Effect of Selected Diseases on Complement Levels - C3, C4
 • SLE C3 ↓ C4 ↓↓
Selected Diseases on Complement ... ThePeanutKidney #Complement ... Levels #C3 #C4 #differential
Thrombotic Microangiopathies - Primary Thrombotic Microangiopathy (TMA) - Differential Diagnosis Table

 • Thrombotic Thrombocytopenic Purpura (TTP)
Microangiopathy (TMA) - Differential ... HUS (aHUS) - Complement-mediated ... TMA #hematology #differential
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
Syndromes and Mimics - Differential ... anti-GBM) 10%: - Low Complement ... Vasculitis - Normal Complement ... Syndromes #Mimics #Differential
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
staining): • Low Complement ... Idiopathic • Normal Complement ... Glomerulonephritis #Vasculitis #differential
Humoral Immunity - Pathogenesis and Clinical Findings
Antigens (Ag) are produced from pathogens (bacteria, viruses, fungi, parasites)
activation • Complement ... tagged with C3 complement ... - Activate Complement ... : Abs activate complement ... proliferate and differentiate
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
Differential diagnosis ... (ST-HUS) - Complement-mediated ... #schistocytes #differential
Infections in Immunocompromised Patients - Differential Diagnosis Summary
Innate Immunity:
 • Neutropenia
 • Phagocytic Deficiencies
 • Complement
Immunocompromised Patients - Differential ... Deficiencies • Complement ... Immunocompromised #Infections #differential
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Hypocomplementemia #Low #Complement ... Mnemonic #diagnosis #differential