14 results
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Disease: • Pain ... Calcium oxalate Infectious ... Acute or chronic infections ... trauma (e.g., meniscal ... #Pain #MSK #rheumatology
Chondrocalcinosis: Calcium Pyrophosphate Dihydrate (CPPD) Deposition Disease

 - Acute CPPD precipitation into the joint space ->
) Deposition Disease ... - Acute CPPD ... polyarticular arthritis ... #Disease #Signs ... #Symptoms #Pathophysiology
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
swelling in weird joints ... • Underlying disease ... states Pathophysiology ... diagnose concomitant infection ... Diagnose concomitant infection
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Fever/Chills/Joint ... - DDX: - Infection ... Post-Infectious ... Ligamentous injuries - Meniscal ... differential #diagnosis #msk
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
(CPPD) Pathophysiology ... swelling in weird joints ... MCP or shoulder joints ... diagnose concomitant infection ... Rheumatology #diagnosis #management
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
noninflammatory Signs ... Rheumatologic Disease ... whippleii (Whipple's disease ... burgdorferi (Lyme disease ... #Diagnosis #MSK
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... ) - MSK Radiology ... mass and NO prior signs ... (RA, CPPD) - Can ... diffuse chondral disease
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
of the Hip • Arthritis ... Chondrodysplasia Neurologic ... Trendelenburg #Gait #pathophysiology ... causes #symptoms #signs ... #diagnosis #msk
Popliteal (Baker’s) Cyst: Pathogenesis and clinical findings
 • Idiopathic
 • Meniscal Lesions
 • Osteoarthritis
 • Rheumatoid
Idiopathic • Meniscal ... • Rheumatoid Arthritis ... Popliteal #BakersCyst #MSK ... #pathophysiology ... #signs #symptoms
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... affects the skin, neurologic ... vesicular eruption • Joints ... cognitive impairment, neurologic ... Palpable purpura, joint