24 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Polyarthritis • Systemic Lupus ... with Systemic Lupus ... #Disorders #msk ... #Differential #
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint ... spondyloarthropathies, lupus ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup #differential
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Anti-retrovirals, Gemcitabine Lupus ... uncommon 5-15% of lupus ... myopathy) VA Joint ... Myopathies #myopathy #differential ... diagnosis #comparison #rheumatology
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint ... Pain - Differential ... Arthritis • Systemic Lupus ... Inflammatory #JointPain #MSK ... #Differential #
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Complement: Post-strep GN ... , Lupus Nephritis ... Glomerulonephritis #Vasculitis #differential ... diagnosis #algorithm #rheumatology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
-C3 GN • Cast ... Scleromyxedema (CNS+GI+CVS+joints ... to cold IgG • Lupus ... Paraproteinemias #Hematology ... #Monoclonal #Differential
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... lesions • Discoid lupus ... #dermatology #joint ... #skin #rashes #differential ... #diagnosis #rheumatology
Medial Approach Knee Intra-articular Corticosteroid Injection 

Landmark 1/3 to 1/2 way from top of patella. Find
osteophytes & narrowed joint ... clinical #video #physicalexam ... #procedure #msk ... orthopedics #sports #rheumatology
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
to think about lupus ... ) Inflammatory joint ... the face (many differential ... pericarditis » is...lupus ... erythematosus #rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint ... pain from: • Joint ... categories of joint ... #Pain #MSK #rheumatology ... approach #workup #differential