18 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... - CHAMPS Mnemonic ... 1 (50%-80%), type ... #Low #Complement ... #diagnosis #differential
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
Types of hypersensitivity ... reactions Type ... happypillsrx/ #hypersensitivity ... #Classification ... #Allergy #Diagnosis
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity ... antigen, leading to complement ... Complement activation ... #Types #Classification ... Pathophysiology #Allergy #Diagnosis
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
: Summary Type ... conjunctivitis Type ... Graves' Disease Type ... #Classification ... #Diagnosis #Definitions
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
of hypersensitivity ... antigens, leading to complement ... they activate complement ... Graft rejection #hypersensitivity ... allergy #table #classification
Lupus Nephritis Classification Algorithm

#Lupus #Nephritis #Classification #Algorithm #diagnosis #differential #types #rheumatology #nephrology #renal
Lupus Nephritis Classification ... Algorithm #Lupus ... #Nephritis #Classification ... #Algorithm #diagnosis ... #differential #types
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Labs/Diagnosis: ... • Low serum C4 complement ... vasculitis • Hypersensitivity ... Cryoglobulins #diagnosis ... #types #classification
Amyloidosis - Workup and Diagnostic Algorithm
 • Serum Immunofixation and Serum Free Light Chains
 • Biopsy
Algorithm • Serum ... Serum Free Light Chains ... AL amyloidosis diagnosis ... electrophoresis • Confirm type ... #Algorithm
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
SPEP+free light chains ... SPEP+free light chains ... or alternative complement ... cryoglobulinemias (types ... testing #workup #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 ... #rheumatology #classification