10 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... glomerulonephritis, type ... 1 (50%-80%), type ... @AnnKumfer #Hypocomplementemia ... #Low #Complement
Subtypes of Serum Proteins

Pre-albumin (Transthyretin)
Albumin
Globulins
 • Alpha-1: Alpha-1 antitrypsin, Serum amyloid A, Ceruloplasmin, Corticosteroid-binding globulin (Transcortin),
Subtypes of Serum Proteins ... • Gamma: IgM, IgG ... #Subtypes #algorithm ... #classification ... #Types #hematology
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
II - IgG or IgM ... antigen, leading to complement ... Type Ill - IgG and ... Complement activation ... #Classification
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
- Mediators: IgG ... Mechanism of Action: IgG ... antigens, leading to complement ... they activate complement ... allergy #table #classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
(MPO-ANCA) or proteinase ... often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... against MPO • Complement ... #rheumatology #classification
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
EULAR/ACR Classification ... Anticardiolipin IgG ... or anti-ß2GPI IgG ... anticoagulant • Complement ... proteins domain
IGG-4 RELATED DISEASE

WHAT?
 • A chronic, immune-mediated fibroinflammatory disease with tumefactive infiltration of IgG4+ plasma cells
IGG-4 RELATED DISEASE ... infiltration of IgG4 ... • Pancreas: Type ... - ↑ IgE, ↓ complement ... • Classification
Suggested algorithm for bone marrow biopsy and skeletal imaging in patients with monoclonal gammopathy of undetermined
Suggested algorithm ... low-risk MGUS (IgG ... type, M- protein ... #MGUS #Biopsy #algorithm
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 ... Kikuchi disease • Type-I ... pancreatitis, protein-losing ... RNP antibodies, Complement
Monoclonal Gammopathy of Renal Significance (MGRS)

MGRS
• MGRS refers to kidney disease caused by nephrotoxic monoclonal immunoglobulins
• Serum/urine protein ... guide subtype classification ... tubulopathy) - Complement ... vasculitis Types