43 results
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... spondyloarthropathies, lupus ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup #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 ... #differential # ... diagnosis #rheumatology
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint ... Pain - Differential ... Genitourinary Infection ... Arthritis • Systemic Lupus ... JointPain #MSK #Differential
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... within 1 month of infection ... Polyarthritis • Systemic Lupus ... with Systemic Lupus ... Disorders #msk #Differential
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Kidney Injury AKI - Differential ... • Primary GNs: Disease ... Post-infectious GN ... , Lupus Acute Tubular ... • Toxins • Infection
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Rheumatica • Pain ... Diffuse muscle pain ... uncommon 5-15% of lupus ... Myopathies #myopathy #differential ... diagnosis #comparison #rheumatology
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Pain - Differential ... Polyarticular Join ... Pain • Viral ... Lesions) • Fifth Disease
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... - Autoimmune Rheumatologic ... Disease OLIGOARTHRITIS ... #pain #Differential ... Diagnosis #MSK #rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Disease: • Pain ... disease must be ... Acute or chronic infections ... #Pain #MSK #rheumatology ... approach #workup #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 ... involvement: Anti-GBM Disease ... Glomerulonephritis #Vasculitis #differential ... diagnosis #algorithm #rheumatology