40 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... @AnnKumfer #Hypocomplementemia ... #Low #Complement ... Mnemonic #diagnosis #differential
Lupus Nephritis Primer
Class I - Minimal Mesangial
Class II - Mesangial Proliferative
Class Ill - Focal Proliferative
Class IV
Nephritis Primer Class ... Lupus #Nephritis #SLE ... #Classification ... #Classes #differential ... #diagnosis #management
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Diagnosis and Management ... • Immunologic Workup ... Positive in 60-80% of cases ... 80% - Low complement ... Usual therapeutic management
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
• Immunologic Workup ... 90% - Low complement ... • Immunologic Workup ... 80% - Low complement ... Usual therapeutic management
Bronchiectasis: diagnosis and management 

Causes of localized -> diffuse bronchiectasis
Foreign body, Bronchial stenosis (tumor, .. ),
diagnosis and management ... Causes of localized ... RA, Sjögren, SLE ... #Differential # ... workup #algorithm
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
EULAR/ACR Classification ... > 0.5 g/24 hr, Class ... lupus nephritis, Class ... anticoagulant • Complement ... #Criteria #SLE
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Urticaria and hypocomplementemia ... against MPO • Complement ... vasculitis, and SLE ... #rheumatology #classification
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... test, ANA (e.g., SLE ... Platelet #Disorders #Differential ... #Workup #hematology
Management of Lupus Nephritis
Lupus nephritis (LN) in 10 to 40% of SLE
Hallmark = proteinuria 20.5 g/g
Management of Lupus ... in 10 to 40% of SLE ... severity (ISN/RPS classification ... by 12 months Classification ... #treatment #management
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Excessive GI losses ... Hypomagnesemia #Differential ... Magnesium #Table #Classification ... #Causes #Workup