16 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... Malar rash • SLE ... IBD • RA • SLE ... lesions • Discoid lupus ... differential #diagnosis #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
assay (IFA) is the main ... Juvenile Idiopathic Arthritis ... : Lupus (SLE), Systemic ... Juvenile Idiopathic Arthritis ... ANA #patterns #rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
GCA), Takayasu's arteritis ... Polyarteritis Nodosa (PAN ... (RA), Systemic lupus ... erythematosus (SLE ... Differential #Diagnosis #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
of hip (rare), Arthritis ... lesions Abdominal pain ... (20%) Renal disease ... erythematosus #signs ... symptoms #diagnosis #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
noninflammatory Signs ... • SLE • Psoriatic ... Symmetrical: • RA • SLE ... #Diagnosis #MSK ... #rheumatology #
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Manifestations: - Arthritis ... involvement 3% SLE-Related ... Lupusreference #SLE ... autoantibodies #signs ... #differential #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... , inflammatory arthritis ... Non-autoimmune rheumatologic ... : • Joint pain ... Erythematosus #Diagnosis #Rheumatology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Fever/Chills/Joint pain ... - Systemic disease ... Chikungunya - Herpes virus ... - SLE - Behcet ... differential #diagnosis #msk
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Oral aphthae : SLE ... : SLE, Reactive ... Nonsurgical abdominal pain ... diagnosis #management #signs ... #symptoms #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, such as SLE, atherosclerotic ... purpura: Strong sign ... tract: Abdominal pain ... involvement, abdominal pain ... Differential #Diagnosis #Rheumatology