18 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Pain Rash ... lesions • Discoid lupus ... erythematosus ... differential #diagnosis #rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Polyarteritis Nodosa (PAN ... ANCA associated vasculitis ... (RA), Systemic lupus ... erythematosus ( ... Differential #Diagnosis #rheumatology
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Pain - Differential ... • Systemic Lupus ... Erythematosus ... Inflammatory #JointPain #MSK ... #Orthopedics #Causes
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
ANCA-associated vasculitis ... Non-autoimmune rheumatologic ... : • Joint pain ... arthropathy • 90% joints ... #Diagnosis #Rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Butterfly rash, Vasculitis ... of hip (rare), Arthritis ... lesions Abdominal pain ... (20%) Renal disease ... SLE #systemic #erythematosus
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... tract, and often causes ... vesicular eruption - Joints ... erythematosus, ... differential #diagnosis #rheumatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... ), RA, crystal disease ... spondyloarthropathies, lupus ... #Joint #Pain #MSK ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
ischemia • Skin: Erythematous ... vesicular eruption • Joints ... tract, and often causes ... Palpable purpura, joint ... Differential #Diagnosis #Rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis ... weeks) Can Be Caused ... Joint #pain #Differential ... #Diagnosis #MSK ... #rheumatology #
Causes of Pericarditis - Differential Diagnosis Algorithm
Viral:
 • Coxsackie
 • Echovirus
 • Adenovirus
 • Epstein-Barr virus
• Rheumatoid arthritis ... • Systemic lupus ... erythematosus ... connective tissue disease ... spondyloarthropathies • Vasculitis