8 results
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Pulmonary ... Spondyloarthropathies, SLE • Pulmonary ... syndrome - SLE Neurologic ... nodes (PIP joints ... #differential #diagnosis
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework ... Bone/Joint Causes ... disease • Slipped ... - Lyme disease ... lower #extremity #msk
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Ligament • Bone ... e.g., congenital hip ... #Pain #MSK #rheumatology ... #approach #workup ... #differential #diagnosis
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Bone Deformity / ... JointHip Dysplasia ... Epiphysis (SCFE) • Legg-Calve-Perthes ... Disease Knee Joint ... Deformity #Limp #MSK
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Pain - Diagnostic ... ), RA, crystal disease ... - parvovirus, HIV ... #Joint #Pain #MSK ... rheumatology #approach #workup
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... Fever/Chills/Joint ... - Aneurysmal bone ... #differential #diagnosis ... #msk #physicalexam
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
arthralgia, arm/leg ... of shoulder and hip ... affects the skin, neurologic ... Palpable purpura, joint ... purpura (lower legs
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... Additional tests: HIV ... (to support a diagnosis ... #laboratory #workup ... #diagnosis #testing