11 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... • Reactive arthritis ... (RA) - Inflammation ... #Disorders #msk ... monoarticular #polyarticular
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
mycobacterial), RA ... , crystal disease ... Polyarticular (5 ... • Chronic = RA ... #Joint #Pain #MSK
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Rheumatoid arthritis ... and Joint diseases ... Extra-articular signs ... #pathophysiology ... #signs #symptoms
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Disease: • Pain ... disease must be ... (RA) and many other ... trauma (e.g., meniscal ... #Pain #MSK #rheumatology
Chondrocalcinosis: Calcium Pyrophosphate Dihydrate (CPPD) Deposition Disease

 - Acute CPPD precipitation into the joint space ->
CPPD) Deposition Disease ... space -> Subacute polyarticular ... arthritis (Pseudo-rheumatoid ... #Signs #Symptoms ... #Pathophysiology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
noninflammatory Signs ... Rheumatologic Disease ... Symmetrical: • RA ... #Diagnosis #MSK ... Polyarthritis #Polyarticular
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Fever/Chills/Joint ... - Systemic disease ... - Juvenile RA ... Ligamentous injuries - Meniscal ... differential #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