147 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
Kocher Criteria to Determine Risk for Pediatric Septic Joint 

 - Non-weight bearing on affected side
Pediatric Septic Joint ... - Fever - WBC ... Criteria #Septic #Joint
Bone Tumor Location within the Skeleton

Epiphysis: 
Only a few lesions are located in the epiphysis, so
Metaphysis: NOF, SBC ... Ewing's sarcoma, SBC ... , ABC, Enchondroma ... Epiphysis #Radiology #MSK
Baker's Cyst on POCUS
Very unusual ,6 years boy with a Baker cyst !!! No flow and
connected to the knee ... joint. ... POCUS #clinical #knee ... #ultrasound #msk
Thessaly Test for Knee Meniscal Tear

The test is positive if there is medial or lateral joint
Thessaly Test for Knee ... medial or lateral joint ... Thessaly #Test #Knee ... #physicalexam #msk
Septic Arthritis: Pathogenesis and clinical findings
Notes:
- Septic Arthritis is typically monoarticular & the knee is involved
monoarticular & the knee ... - Typical S.A joint ... clarity, >50000 WBC
Patellofemoral Syndrome - Pathogenesis and clinical findings
 • Anterior Knee Pain with possible symptoms of 'catching'
findings • Anterior Knee ... patellofemoral joint ... patellofemoral joint ... patellofemoral joint ... signs #symptoms #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
Septic arthritis of the elbow on Point of Care Ultrasound (POCUS)

66M w painful, swollen R elbow
of Care Ultrasound ... thickening and joint ... Synovial fluid WBC ... UAB Emergency Ultrasound ... arthritis #elbow #Joint