9 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 ... Pathophysiology #Rheumatology
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... @AnnKumfer #Hypocomplementemia ... #Low #Complement ... #differential #hematology
Complement 1 esterase inhibitor (C1-INH) Deficiency Testing Algorithm
INDICATIONS FOR TESTING:
 • Recurrent angioedema (without urticaria)
 •
Complement 1 esterase ... Algorithm INDICATIONS ... FOR TESTING: • ... ARUPLabs #C1INH #Complement ... #Algorithm #allergy
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Algorithm INDICATIONS ... FOR TESTING: • ... causes are asthma, allergy ... Eosinophil #Disorders #Algorithm ... Differential #diagnosis #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... Eye -> retinopathy ... against MPO • Complement ... differential #diagnosis #rheumatology
Complement Deficiency Testing Algorithm
 • Normal CH50 and AH50 AND High suspicion for complement deficiency
 •
Complement Deficiency ... Testing Algorithm ... suspicion for complement ... #Deficiency #Testing ... #Algorithm #hematology
Eosinophilic Esophagitis (EoE) - Treatment Algorithm
Medical therapy:
 • Proton pump inhibition
 • Topical corticosteroids
Diet therapy
 •
Eosinophilic Esophagitis (EoE ... ) - Treatment Algorithm ... Elemental formula • Allergy ... testing directed ... #EoE #Eosinophilic
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Arthralgias • Eye ... Elevated AST ALT • Hypocomplementemia ... Vasculitis) • Hypocomplementemic ... Differential #Diagnosis #Rheumatology
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
Gout • Great toe ... Synovial Fluid Testing ... Risk for severe allergic ... management #treatment #rheumatology