12 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... S - Systemic Lupus ... Erythematosus ( ... @AnnKumfer #Hypocomplementemia ... #Low #Complement
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
EULAR/ACR Classification ... Erythematosus ... anticoagulant • Complement ... #EULARACR #Classification ... #Erythematosus
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low complements ... Skin Disease Classification ... pneumonitis • Diffuse ... enteropathy, and diffuse ... RNP antibodies, Complement
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... Irreversible-biopsy required • Lupus ... erythematosus ... • Discoid lupus ... erythematosus
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Differential Diagnosis Algorithm ... • Systemic Lupus ... Erythematosus ... Hodgkin's Lymphoma #Diffuse
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Differential Diagnosis Algorithm ... • Bronchitis Diffuse ... Vasculitis • Lupus ... Erythematosus ... Differential #Diagnosis #Algorithm
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
antigen, leading to complement ... Complement activation ... , and systemic lupus ... erythematosus ... Hypersensitivity #Types #Classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... such as systemic lupus ... erythematosus, ... against MPO • Complement ... #rheumatology #classification
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 Type ... allergy #table #classification
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Low serum C4 complement ... (e.g. systemic lupus ... erythematosus ( ... diagnosis #types #classification