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

Diagnosis of HUV
1) Chronic urticaria 
2) Leukocytoclastic vasculitis 
3)
Diagnosis and Management ... of Hypocomplementemic ... vasculitis 3) Hypocomplementemia ... Therapeutic management ... 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
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... @AnnKumfer #Hypocomplementemia ... #Low #Complement
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... Coronary arteries - Fever ... Vasculitis: • Fevers ... against MPO • Complement
Rodent-associated Bacterial infections: Leptospirosis, Rat-bite fever, Tularemia, Plague 

#rodent
#infections
#leptospirosis
#tularemia
#ratbitefever
#plague
#rats
#infectiousdisease
#fever
#differential
#diagnosis
#management
#treatment
#table
Leptospirosis, Rat-bite fever ... infectiousdisease #fever ... #diagnosis #management ... #treatment #table
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
rheumatoid factor), ± hypocomplementemia ... Disease #diagnosis #management
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis: • Fevers ... and branches • Fever ... Coronary arteries • Fever ... Elevated AST ALT • Hypocomplementemia ... Vasculitis) • Hypocomplementemic
PEMSource: Algorithm for fever WITHOUT source by Age
#Diagnosis #Management #Peds #Fever #Without #Source #Table #Algorithm #PEMSource
Algorithm for fever ... Age #Diagnosis #Management ... #Peds #Fever #Without ... #Source #Table
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Anaphylaxis, Hay fever ... antigens, leading to complement ... they activate complement ... types #allergy #table
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
, seasonal hay fever ... antigen, leading to complement ... Complement activation ... Diagnosis #Reactions #Table