21 results
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
- Autoimmune Rheumatologic ... • SLE • Psoriatic ... Symmetrical: • RA • SLE ... #Diagnosis #MSK ... #rheumatology #
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
assay (IFA) is the main ... Juvenile Idiopathic Arthritis ... Juvenile Idiopathic Arthritis ... Drug-Induced, Inflammatory ... #patterns #rheumatology
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
of Lumbar Spine and ... psoriasis (7-30%) • Inflammatory ... with Systemic Lupus ... Erythematosus (SLE ... Joint #Disorders #msk
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Polyarteritis Nodosa (PAN ... ), ANCA associated ... (RA), Systemic lupus ... erythematosus (SLE ... Differential #Diagnosis #rheumatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint Pain ... spondyloarthropathies, lupus ... Chronic = RA, SLE ... #Joint #Pain #MSK ... #rheumatology #
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Drug Induced Lupus ... Constitutional symptoms, Arthritis ... Erythematosus (SLE ... #sle #comparison ... #table #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... photosensitivity, inflammatory ... findings (ANA, ... Non-autoimmune rheumatologic ... : • Joint pain
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint Pain ... History: Is the pain ... differentiated: • Inflammatory ... inflammatory arthritides ... #MSK #rheumatology
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
1) Inflammatory ... joint pain (especially ... fingers, or pain ... #diagnosis #sle ... erythematosus #rheumatology
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Rheumatica • Pain ... with temporal arteritis ... • +ANA, +Anti-Smith ... differential #diagnosis #comparison ... #rheumatology