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

Diagnosis of HUV
1) Chronic urticaria 
2) Leukocytoclastic vasculitis 
3)
of Hypocomplementemic ... ) Diagnosis of ... HUV 1) Chronic ... vasculitis 3) Hypocomplementemia ... TerrierBen #Hypocomplementemic
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 ... CHAMPS #Mnemonic #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... against MPO • Complement ... • HBV HCV •
CDC Recommended Laboratory HIV Testing Algorithm for Serum or Plasma Specimens

#HIV #Algorithm #Screening #Testing #HIVAIDS #Diagnosis
Testing Algorithm ... Specimens #HIV ... #Algorithm #Screening ... #Testing #HIVAIDS ... #Diagnosis #Laboratory
"Recommended laboratory HIV testing algorithm for serum or plasma specimens. Based on: Centers for Disease Control
testing algorithm ... Laboratory Testing ... for the Diagnosis ... #HIV #CDC #Diagnosis ... #Algorithm #InfectiousDisease
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
- Differential Diagnosis ... Algorithm Extravascular ... perfringens - Complement-Mediated ... MAHA (TTP, DIC, HUS ... #Algorithm #Causes
Complement Deficiency Testing Algorithm
 • Normal CH50 and AH50 AND High suspicion for complement deficiency
 •
Complement Deficiency ... Testing Algorithm ... #Deficiency #Testing ... #Algorithm #hematology ... #diagnosis
Complement 1 esterase inhibitor (C1-INH) Deficiency Testing Algorithm
INDICATIONS FOR TESTING:
 • Recurrent angioedema (without urticaria)
 •
Complement 1 esterase ... Algorithm INDICATIONS ... ARUPLabs #C1INH #Complement ... #Algorithm #allergy ... #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... Vasculitis Differential Diagnosis ... HTN • Check: HBV ... Elevated AST ALT • Hypocomplementemia ... Vasculitis) • Hypocomplementemic