63 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- (Reiter’s syndrome ... within 1 month of infection ... - with the skin ... should have other symptoms ... like “butterfly rash
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
thrombophlebitis Skin ... • Shin splints ... Brittle nails - Skin ... skin • Inflammation ... lower #extremity #msk
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Skin Conditions ... Scleroderma Thickened skin ... Discoid skin ... #pain #skin #rashes ... #differential #
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Pain - Differential ... Polyarticular Join ... & Symmetrical Rash ... #JointPain #MSK
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint ... Bacterial or viral infection ... Scleroderma Thickened skin ... Cardiomyopathies - Viral infection ... #pain #differential
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Sjögrens (15%) Skin ... of hip (rare), Arthritis ... Demyelinating syndromes ... erythematosus #signs ... #symptoms #diagnosis
Stages of Syphilis
Early Primary:
 • Painless chancre
 • Regional lymphadenopathy
Early Secondary:
 • Fever, malaise
 • Rash
Fever, malaise • Rash ... aortic aneurysm, arteritis ... lesions in bone, skin ... unknown - VA Joint ... #signs #diagnosis
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Pain - Differential ... Genitourinary Infection ... Sicca) Syndrome ... Inflammatory #JointPain #MSK ... #Differential #
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
visceral organ or nerve ... root Symptoms ... of Joint Disease ... #Pain #MSK #rheumatology ... approach #workup #differential
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
) is a skin condition ... inflamed or blistered skin ... with systemic disease ... development of skin ... deeper into the skin