58 results
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
WBC <2k: Noninflammatory ... lower limbs) • WBC ... spondyloarthropathies • WBC ... presentation with lower WBC ... #Joint #Pain #MSK
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Viscosity: Low • WBC ... : Variable • WBC ... Viscosity: High • WBC ... diagnosis #septic #joint
Patellofemoral Syndrome - Pathogenesis and clinical findings
 • Anterior Knee Pain with possible symptoms of 'catching'
Patellofemoral Syndrome ... • Secondary effusion ... with MRI effusion ... Patellofemoral #Syndrome ... signs #symptoms #msk
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
Septic Arthritis on POCUS ... WBC/CRP/ESR elevated ... Arthrocentesis-64K WBC ... #POCUS #clinical ... #ultrasound #MSK
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:
TRANSPARENCY VISCOSITY WBC ... Arthrocentesis #Joint ... Syonvial #Fluid #Effusion
Tibiotalar Ankle Effusion Evaluation on Point of Care Ultrasound (POCUS)

POCUS for ankle effusions: position the ankle
Tibiotalar Ankle Effusion ... Evaluation on Point ... ) POCUS for ankle ... the tibiotalar joint ... #MSK #Clinical
Septic arthritis of the elbow on Point of Care Ultrasound (POCUS)

66M w painful, swollen R elbow
Care Ultrasound (POCUS ... thickening and joint ... effusion seen between ... Synovial fluid WBC ... #Clinical #POCUS
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
with synovial WBC ... Arthrocentesis #Joint ... Syonvial #Fluid #Effusion
MTP Gout Effusion on POCUS
50s male with DM/HTN (no hx gout) and great toe pain-MTP joint.
great toe pain-MTP joint ... POCUS revealed joint ... MTP joint. ... WBC-48K. ... #ultrasound #MSK
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... “Bamboo Spine” Fusion ... arthritis - (Reiter’s syndrome ... @AmyChung #Joint ... #Disorders #msk