21 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Pain Rash ... • Rheumatic fever ... Antiphospholipid-antibody syndrome ... #differential #diagnosis
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... instability - New-onset fever ... with rash - Mucocutaneous ... sulfa-drug - Skin ... #Dermatology #Rash
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
ID Approach to Fever ... and Rash - Diagnostic ... angiomatosis, Sweet syndrome ... #Rash #Febrile ... #Schema #InfectiousDiseases
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... inflammation of the joints ... general feeling of ill ... and pain of the joints
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint ... • Clubbing - IBD ... Spondyloarthropathy-IBD ... Scleroderma Thickened skin ... #differential #diagnosis
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
an accessible joint ... Laboratory testing of skin ... : • Fever, chills ... Purulent Arthritis Syndrome ... #Microbiology #InfectiousDiseases
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Framework Bone/Joint ... • Bursitis • IBD ... pain/swelling - Fever ... #differential #diagnosis
Fever vs Hyperthermia
Fever:
 • Regulated in the hypothalamic thermoregulatory center
 • "Set point" raised by prostaglandin
Fever vs Hyperthermia ... Neuroleptic malignant syndrome ... ; Serotonin syndrome ... loss from the skin ... Hyperthermia #comparison #diagnosis
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
(SLE) General: Fever ... Sjögrens (15%) Skin ... Photosensitivity, Butterfly rash ... Demyelinating syndromes ... signs #symptoms #diagnosis
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... interphalangeal joints ... Dermatomyositis • Fever ... #dermatology #diagnosis