28 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... • Rheumatic fever ... lesions • Discoid lupus ... #rashes #differential ... #diagnosis #rheumatology
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic Algorithm ... Ill-appearing, vital sign ... sulfa-drug - Skin pain ... #Diagnosis #Dermatology ... #Differential #
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Features of Systemic Lupus ... (SLE) General: Fever ... lesions Abdominal pain ... erythematosus #signs ... symptoms #diagnosis #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Malar rash 40% - Fever ... (aPL) 30-45% Differential ... autoantibodies #signs ... symptoms #mimickers #differential ... #rheumatology
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Rheumatica • Pain ... proximal joints, Fever ... Diffuse muscle pain ... Myopathies #myopathy #differential ... diagnosis #comparison #rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
disease • Systemic lupus ... is the main clinical ... SJIA], systemic lupus ... Syndrome #Diagnosis #Management ... #Hematology #Rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... Post-strep GN, Lupus ... Glomerulonephritis #Vasculitis #differential ... #diagnosis #algorithm ... #rheumatology
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
Inflammatory joint pain ... and fingers, or pain ... the face (many differential ... 9) Unexplained fever ... erythematosus #rheumatology
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Pregnancy (AFLP) Pathophysiology ... vomiting, abdominal pain ... infiltration) Differential ... #Pregnancy #hepatology ... #pathophysiology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Non-autoimmune rheumatologic ... Malignancy (e.g. hematologic ... Arthritis: • Joint pain ... Erythematosus #Diagnosis #Rheumatology