88 results
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... arthritis, gout or pseudogout ... Spondyloarthropathies, gout, pseudogout ... Rhomboid, blue = pseudogout ... #differential #diagnosis
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Arthrocentesis - Joint ... arthritis SLE, , RF , Pseudogout ... Septic arthritis #Diagnosis ... Arthrocentesis #Joint ... Table #Aspiration #Pseudogout
Pseudogout: pathogenesis and clinical findings
 - Idiopathic (vast majority of cases) -> Mechanism unknown
 - Familial
Pseudogout: pathogenesis ... crystals from joints ... Chondrocalcinosis #Pseudogout ... Signs #Symptoms #Pathophysiology ... #Diagnosis
Chondrocalcinosis: Calcium Pyrophosphate Dihydrate (CPPD) Deposition Disease

 - Acute CPPD precipitation into the joint space ->
precipitation into the joint ... crystals -> Acute pseudogout ... Chondrocalcinosis #Pseudogout ... Signs #Symptoms #Pathophysiology ... #Diagnosis
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Pathogenesis and Joint ... poly-articular joint ... Joint involvement ... RheumatoidArthritis #RA #pathophysiology ... signs #symptoms #diagnosis
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint ... - Differential Diagnosis ... Podagra, Tophi) • Pseudogout ... Oligoarticular (1-4 joints ... #Differential #Diagnosis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... - Differential Diagnosis ... Crystals - “Pseudogout ... @AmyChung #Joint ... #Differential #Diagnosis
Rheumatoid arthritis (RA): X-ray features
 • Soft tissue swelling (best seen by comparing left & right
together) • Joint ... closer to the joints ... (Joint deformities ... #RA #HandXray #Diagnosis ... Radiology #Clinical #Pathophysiology
Reactive Arthritis
 • Inflammation of joints (commonly large joints)
    - Asymmetric Oligoarthritis: Joint
Inflammation of joints ... commonly large joints ... Oligoarthritis: Joint ... ReactiveArthritis #pathophysiology ... #diagnosis #signs
Synovial Fluid Analysis:

Findings (COLOR	TRANSPARENCY	VISCOSITY	WBC COUNT (PER MM3)	PMN CELL COUNT (%)	GRAM STAIN	CULTURE	PCR TEST	CRYSTALS)

By Condition (Normal 
Noninflammatory 
Inflammatory:
nongonococcal ) #Diagnosis ... Arthrocentesis #Joint ... Table #Aspiration #Pseudogout