79 results
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Viscosity: Low • WBC ... : Variable • WBC ... Viscosity: High • WBC ... analysis: • MSU
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
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 ... Syonvial #Fluid #Effusion
COVID-19 POCUS

96 yrs old, discharged 3 wks ago for CAP, treated with amox/clav then cefixime. Returns
consolidation and likely effusion ... High WBC, no leukopenia ... But this ultrasound ... Clinical #Lung #Ultrasound
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
with synovial WBC ... Syonvial #Fluid #Effusion
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
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
AC joint showed effusion ... WBC/CRP/ESR elevated ... Arthrocentesis-64K WBC ... POCUS #clinical #ultrasound ... #MSK
MTP Gout Effusion on POCUS
50s male with DM/HTN (no hx gout) and great toe pain-MTP joint.
without using ultrasound ... WBC-48K. ... MSU crystals=Gout ... Clinical #POCUS #ultrasound ... #MSK #Toe
Plankton Sign in Pleural Effusion on Lung POCUS
Typically highly suggestive of hemothorax
In this patient:
  PH
Sign in Pleural Effusion ... Exudate 5000 WBC ... Sign #Pleural #Effusion ... clinical #hemothorax #ultrasound
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
if high risk if WBC ... HoTN, edema and effusions ... QD until normal WBC