8 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... S - Systemic Lupus ... subacute bacterial endocarditis ... @AnnKumfer #Hypocomplementemia ... #Low #Complement
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
EULAR/ACR Classification ... Constitutional domain: Fever ... , Class Ill or IV ... anticoagulant • Complement ... #Criteria #SLE
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... staining): • Low Complement ... Post-strep GN, Lupus ... Cryoglobulinemia, Endocarditis ... differential #diagnosis #algorithm
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
Causes of Fever ... Differential Diagnosis Algorithm ... Autoimmune: • SLE ... • Infectious endocarditis ... #causes
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... weight loss, and fever ... anti-Smith Ab, low complements ... Skin Disease Classification ... • Libman-Sacks endocarditis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... such as systemic lupus ... against MPO • Complement ... vasculitis, and SLE ... #rheumatology #classification
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Allergen-specific lgE causes ... Anaphylaxis, Hay fever ... they activate complement ... glomerulonephritis, Systemic lupus ... allergy #table #classification
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Red Flags: • Fever ... Schonlein Purpura - Endocarditis ... Autoimmune Vasculitis (lupus ... #Causes #dermatology