1768 results
Chondrocalcinosis: Calcium Pyrophosphate Dihydrate (CPPD) Deposition Disease

 - Acute CPPD precipitation into the joint space ->
CPPD) Deposition Disease ... crystals -> Acute pseudogout ... space -> Subacute polyarticular ... Chondrocalcinosis #Pseudogout ... #CPPD #Disease
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Podagra, Tophi) • Pseudogout ... Early Rheumatic Disease ... Inflammatory Bowel Disease ... Carditis) • Lyme Disease ... red Macules) POLYARTICULAR
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Crystals - “Pseudogout ... Inflammatory Bowel Disease ... Arthropathy with Crohn’s Disease ... systemic autoimmune disease ... monoarticular #polyarticular
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
), RA, crystal disease ... arthritis, gout or pseudogout ... Inflammatory, crystalline disease ... Polyarticular (5 ... Rhomboid, blue = pseudogout
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
Pseudogout Summary ... Pyrophosphate Deposition Disease ... chondrocalcinosis Acute Pseudogout ... glucocorticoids • Acute polyarticular ... #Pseudogout #CPPD
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
induced (Gout/Pseudogout ... Rheumatologic Disease ... Lyme • Gout/Pseudogout ... burgdorferi (Lyme disease ... Polyarthritis #Polyarticular
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
, Bacteria) by Disease ... arthritis SLE, , RF , Pseudogout ... Table #Aspiration #Pseudogout
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:
crystalline disease ... noncrystalline disease ... Infectious: Lyme disease ... Table #Aspiration #Pseudogout
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Diagnosis Algorithm Polyarticular ... Lesions) • Fifth Disease ... tuberculosis • Lyme Disease
Pseudogout: pathogenesis and clinical findings
 - Idiopathic (vast majority of cases) -> Mechanism unknown
 - Familial
Pseudogout: pathogenesis ... Chondrocalcinosis #Pseudogout ... #CPPD #Disease