9 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
• Rheumatic fever ... Antiphospholipid-antibody syndrome ... • Vasculitis ... lesions • Discoid lupus ... #differential #
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Fever (50%), Depression ... Photosensitivity, Butterfly rash ... , Vasculitis, Purpura ... effusion, Restrictive lung ... Demyelinating syndromes
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... weight loss, and fever ... permanent alopecia Differential ... : • Symptoms limited ... to: Arthritis, Fever
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
69% - Malar rash ... 40% - Fever 36% ... Myositis 4% - Lung ... Lupusreference #SLE ... autoantibodies #signs #symptoms
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
mucositis - Rash ... such as systemic lupus ... Presentation - Systemic Symptoms ... : • Fevers • ... , and SLE) • Urinalysis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Diagnosis Algorithm ... arthritis - (Reiter’s syndrome ... Erythematosus (SLE ... should have other symptoms ... like “butterfly rash
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
Toxoplasmosis AUTOIMMUNE/VASCULITIS ... Disease - Systemic Lupus ... (bulbar symptoms ... - small cell lung ... Rhombencephalitis #Differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... diseases, such as SLE ... Presentation: Systemic Symptoms ... , mucositis • Rash ... • Progressive symptoms
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
- Overview and Differential ... , verrucous) - Lung ... • Autoimmune (SLE ... valvular disease • Vasculitis ... Cholesterol emboli syndrome