8 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... lesions • Discoid lupus ... erythematosus ... #joint #pain #skin ... #rashes #differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Malignancy (e.g. hematologic ... : • Joint pain ... arthropathy • 90% joints ... lymphopenia, low PLT • Anemia
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Features of Systemic Lupus ... of hip (rare), Arthritis ... in small joints ... ) Blood (75%): Anemia ... SLE #systemic #erythematosus
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... Manifestations: - Arthritis ... - Hemolytic anemia ... #Erythematosus ... #rheumatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
spondyloarthropathies, lupus ... #rheumatology # ... approach #workup ... #differential # ... diagnosis #arthritis
Causes of Pericarditis - Differential Diagnosis Algorithm
Viral:
 • Coxsackie
 • Echovirus
 • Adenovirus
 • Epstein-Barr virus
Pericarditis - Differential ... Bacterial: • Mycobacterium ... • Rheumatoid arthritis ... • Systemic lupus ... erythematosus
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... • Systemic lupus ... erythematosus ( ... the presence of anemia ... #laboratory #workup
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... ischemia - Skin: erythematous ... vesicular eruption - Joints ... such as systemic lupus ... erythematosus,