7 results
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology of Hypocomplementemic ... Complex Formation - Complement ... TerrierBen #Hypocomplementemic ... Urticarial #Vasculitis #HUV
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... A - Atypical HUS ... @AnnKumfer #Hypocomplementemia ... #Low #Complement
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
pseudotumor 4 phenotypes ... rheumatoid factor), ± hypocomplementemia ... + cells" Treatment ... diagnosis #management #phenotypes ... #workup #treatment
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
• Mechanism: IgG ... and Complement-mediated ... Coombs positive for IgG ... Spherocytes • Treatment ... disorder, Mycoplasma, HIV
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... against MPO • Complement ... Cryoglobulins • HIV ... • HBV HCV
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
Stepwise Diagnosis Algorithm ... non-essential drug/HDS treatments ... , HBV, HCV, HEV, ... Autoantibody titres, ↑ IgG ... Injury #Diagnosis #Algorithm
Coccidioidomycosis (Valley Fever) - Diagnosis and Management Summary

WHAT?
 • Coccidioidomycosis due to Coccidioides immitis or Coccidioides
• Diabetes • HIV ... analysis using complement ... check for IgM and IgG ... TREATMENT: Clinically