9 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... glomerulonephritis (>90%) S - Systemic ... Lupus Erythematosus ... #Low #Complement ... Mnemonic #diagnosis #differential
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
90% - Low complement ... months to years) Systemic ... 80% - Low complement ... #sle #comparison ... #table #rheumatology
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
SSc: systemic sclerosis ... rheumatoid arthritis SLE ... : systemic lupus ... CTILD #Diagnosis #Differential ... #Comparison #Table
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders - Differential ... Diagnosis Algorithm ... Lupus - with Systemic ... Lupus Erythematosus ... (SLE), should have
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... anti-Smith Ab, low complements ... permanent alopecia Differential ... RNP antibodies, Complement ... #Systemic #Lupus
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Urticaria and hypocomplementemia ... inflammation Others: • Lupus ... lupus erythematosus ... against MPO • Complement ... vasculitis, and SLE
Causes of ileitis beyond Crohn’s disease and infections include systemic disorders -spondyloarthropathies, vasculitides, ischemia, and amyloidosis
infections include systemic ... See below for table ... helpful paper complements ... #GI #Ileitis #Differential ... #Table
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... glomerulonephritis, Systemic ... lupus erythematosus ... types #allergy #table ... classification #comparison
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... presentation of systemic ... lupus erythematosus ... #Presentation #comparison ... #Table #Diagnosis