28 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... glomerulonephritis (>90%) S - Systemic ... Lupus Erythematosus ... #Low #Complement ... Mnemonic #diagnosis #differential
Lupus Nephritis Classification Algorithm

#Lupus #Nephritis #Classification #Algorithm #diagnosis #differential #types #rheumatology #nephrology #renal
Lupus Nephritis ... Classification Algorithm ... #Lupus #Nephritis ... #Classification ... #differential #
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
EULAR/ACR Classification ... Criteria for Systemic ... anticoagulant • Complement ... #EULARACR #Classification ... Criteria #SLE #Systemic
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
antigens, leading to complement ... they activate complement ... glomerulonephritis, Systemic ... lupus erythematosus ... allergy #table #classification
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash - Differential ... Diagnosis Algorithm ... • Bullous systemic ... lupus erythematous ... #Diagnosis #Algorithm
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
complexes • Ex: Systemic ... Lupus Erythematosus ... Dermatitis (ie. reaction ... Allergy #Allergic #Reactions ... #Types #Classification
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
- Local and systemic ... Complement activation ... lupus erythematosus ... Hypersensitivity #Types #Classification ... Allergy #Diagnosis #Reactions
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... lupus erythematosus ... disease, drug reactions ... against MPO • Complement ... #rheumatology #classification
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders - Differential ... Diagnosis Algorithm ... Lupus - with Systemic ... Lupus Erythematosus ... #Diagnosis #Algorithm
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
staining): • Low Complement ... Post-strep GN, Lupus ... Idiopathic • Normal Complement ... Glomerulonephritis #Vasculitis #differential ... #diagnosis #algorithm