45 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
SLE, , RF , Pseudogout ... , Septic arthritis ... #Diagnosis #Differential ... Analysis #Table #Aspiration ... #Pseudogout #Septic
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... - Differential Diagnosis ... Crystals - “Pseudogout ... with the skin disorder ... #msk #Differential
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
rule out septic arthritis ... 50,000 #Diagnosis #Differential ... Analysis #Table #Aspiration ... #Pseudogout #Septic ... #Infective #Arthritis
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:
Analysis #Table #Aspiration ... #Pseudogout #Septic ... #Infective #Arthritis
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint Pain - Differential ... Podagra, Tophi) • Pseudogout ... • Rheumatoid Arthritis ... • Psoriatic Arthritis ... JointPain #MSK #Differential
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
RA Rheumatic disorders ... • Rheumatoid arthritis ... Non-rheumatic disorders ... • Inflammatory disorders ... rheumatology #laboratory #differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... Mechanical/degenerative disorders ... induced (Gout/Pseudogout ... Lyme • Gout/Pseudogout ... Joint #pain #Differential
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... GCA), Takayasu's arteritis ... RD), Rheumatoid Arthritis ... Cancer, Histiocytic disorders ... swinndong #Aortitis #Differential
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Lyme), reactive arthritis ... , gout or pseudogout ... SLE, psoriatic arthritis ... approach #workup #differential ... #diagnosis #arthritis
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
Vision Loss - Differential ... Nerve • Acute Angle ... Nerve • Temporal Arteritis ... Acute #VisionLoss #Differential