10 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Pain Rash ... infection Malar rash ... • Rheumatic fever ... #skin #rashes #differential
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
(SLE) General: Fever ... Photosensitivity, Butterfly rash ... , Vasculitis, Purpura ... Pericarditis, Endocarditis ... SLE #systemic #erythematosus
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... permanent alopecia Differential ... Arthritis: • Joint ... • Libman-Sacks endocarditis ... to: Arthritis, Fever
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Subacute bacterial endocarditis ... Lyme disease, Vasculitis ... Cardiovascular system • Mitral ... - Bacterial endocarditis ... #pain #differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Infection - Vasculitis ... Red Flags: • Fever ... Schonlein Purpura - Endocarditis ... #Differential #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... vesicular eruption - Joints ... Coronary arteries - Fever ... mucositis - Rash ... : • Fevers
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
) Inflammatory joint ... the face (many differential ... ; sometimes « viral ... 9) Unexplained fever ... clues #system #erythematosus
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... ischemia • Skin: Erythematous ... vesicular eruption • Joints ... , mucositis • Rash ... Palpable purpura, joint
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Involves aortic and mitral ... night sweats, fever ... Marantic (NTBE) Differential ... valvular disease • Vasculitis ... Persistent bacteremia/fevers
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential ... involves aortic and mitral ... night sweats, fever ... valvular disease • Vasculitis ... #Differential #