13 results
Seronegative Inflammatory Arthritis - Differential Diagnosis
 • Seronegative Rheumatoid Arthritis 
 • Infectious Arthritis: Viral, Bacterial,
- Differential ... Disease: Systemic Lupus ... Crystal Arthropathy: Gout ... #arthritides #Differential ... #Diagnosis #rheumatology
Approach to Gout
Diagnosis: r/o septic arthritis! Needle-shaped, negative birefringent crystals
Treatment:
 • Weight loss, diet, d/c culprit
Approach to Gout ... Diagnosis: r/o septic arthritis ... diet, d/c culprit medications ... flares/year 2) Gouty ... #ULT #rheumatology
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
RA: rheumatoid arthritis ... SLE : systemic lupus ... CTILD #Diagnosis #Differential ... #Comparison #Table ... #Pulmonary #Rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms, Arthritis ... life-threatening • Treatment ... Lupusreference #druginduced ... #lupus #sle #comparison ... #table #rheumatology
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Neutropenia - Differential ... Algorithm Congenital Medications ... Destruction • Systemic Lupus ... • Rheumatoid Arthritis ... Algorithm #Causes #Hematology
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
with temporal arteritis ... uncommon 5-15% of lupus ... Myopathies #myopathy #differential ... #diagnosis #comparison ... #rheumatology
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
resulting in an acute arthritic ... Acute CPP Crystal Arthritis ... Crystal Inflammatory Arthritis ... Metabolic syndrome • Medications ... #Comparison #rheumatology
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
spondyloarthropathies, lupus ... Lyme), reactive arthritis ... , gout or pseudogout ... Joint #Pain #MSK #rheumatology ... approach #workup #differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
, inflammatory arthritis ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... activation and/or medications ... Erythematosus #Diagnosis #Rheumatology
Drug Induced Systemic Lupus Erythematosus
> 100 drugs have been associated with drug-induced SLE
High risk (>5%):
 •
for 1 year of treatment ... Lupusreference #DrugInduced ... Erythematosus #medications ... pharmacology #risk #differential ... #diagnosis #rheumatology