13 results
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
present both at rest ... trauma (e.g., meniscal ... e.g., congenital hip ... osteopetrosis, avascular ... #differential #diagnosis
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
the preferred test ... an accessible joint ... the workup • Test ... all patients for HIV ... Syndrome: • Most
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
nociceptors -> Pain with rest ... in Rheumatoid arthritis ... affects the knee hip ... > Stiffness is short-lived ... JointDisease #JointPain #Diagnosis
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 ... Ligamentous injuries - Meniscal ... #differential #diagnosis ... #msk #physicalexam
Behcet's Syndrome - Diagnosis
Diagnostic Criteria for Behget's Syndrome (International Study Group for Behget's Disease):
 • Recurrent,
- Diagnosis Diagnostic ... Abnormal pathergy test ... vasculitis) • Arthritis ... , medium-large joints ... ) • Vascular lesions
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... • Arthritis ... Herpes zoster - HIV ... #differential #diagnosis ... extremity #msk #physicalexam
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
nonerosive inflammatory arthritis ... anterior chest wall, parts ... Diagnosis: ... • A clinical diagnosis ... blockers had the best
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... pulse deficits vascular ... of shoulder and hip ... eruption • Joints ... Palpable purpura, joint
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... Joint pain • Swan ... arthropathy • 90% joints ... • Malar rash - spares ... Erythematosus #Diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... and bullous or vesicular ... eruption - Joints ... retinopathy Lab Tests ... Cryoglobulins • HIV