12 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... Crystals - “Pseudogout ... ” - Calcium Pyrophosphate ... • Reactive arthritis ... #Disorders #msk
Chondrocalcinosis: Calcium Pyrophosphate Dihydrate (CPPD) Deposition Disease

 - Acute CPPD precipitation into the joint space ->
Chondrocalcinosis: Calcium ... CPPD) Deposition Disease ... polyarticular arthritis ... #Signs #Symptoms ... #Pathophysiology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Disease: • Pain ... disease must be ... dihydrate • Basic calcium ... trauma (e.g., meniscal ... #Pain #MSK #rheumatology
Pseudogout: pathogenesis and clinical findings
 - Idiopathic (vast majority of cases) -> Mechanism unknown
 - Familial
Pseudogout: pathogenesis ... > Clearance of calcium ... #CPPD #Disease ... #Signs #Symptoms ... #Pathophysiology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
noninflammatory Signs ... induced (Gout/Pseudogout ... Rheumatologic Disease ... Lyme • Gout/Pseudogout ... #Diagnosis #MSK
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
Pseudogout Summary ... (CPPD) Pathophysiology ... swelling in weird joints ... #Pseudogout #CPPD ... Rheumatology #diagnosis #management
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
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
fluid • Gout or pseudogout ... crystals (gout) or calcium ... dihydrate crystals (pseudogout ... of the affected joint ... profile (e.g., calcium
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
survival is 93-95% Pathophysiology ... fibrosis. 4) Calcium ... Extrapulmonary: ankle arthritis ... anterior/posterior MSK ... #Signs #Symptoms