7 results
Diagnosis and Management of Hypocomplementemic Urticarial Vasculitis (HUV)

Diagnosis of HUV
1) Chronic urticaria 
2) Leukocytoclastic vasculitis 
3)
of Hypocomplementemic ... Diagnosis of HUV ... vasculitis 3) Hypocomplementemia ... TerrierBen #Hypocomplementemic ... #Rheumatology
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 ... Pathophysiology #Rheumatology
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 ... #differential #hematology
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
rheumatoid factor), ± hypocomplementemia ... Disease #diagnosis #management ... #phenotypes #workup ... #treatment #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... against MPO • Complement ... • HBV HCV • ... differential #diagnosis #rheumatology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Differential Diagnosis Algorithm ... DIC, TTP, HELLP, HUS ... Differential #Diagnosis #Algorithm ... #workup #hematology ... #testing
Algorithm for the Evaluation of Acute Diarrhea (< 7 days)
Are the following present?
   1.
Algorithm for the ... Ova and parasite testing ... HIV infection or ... Acute #Diarrhea #management ... #algorithm #workup