12 results
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
Arthrocentesis of ... does not rule out ... 50,000 #Diagnosis #Differential ... #Joint #Syonvial ... #Fluid #Effusion
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint ... reactive arthritis, gout ... OA *Always do arthrocentesis ... #Joint #Pain #MSK ... approach #workup #differential
MTP Gout Effusion on POCUS
50s male with DM/HTN (no hx gout) and great toe pain-MTP joint.
MTP Gout Effusion ... ) and great toe ... MSU crystals=Gout ... Labeled Schematic ... #MSK #Toe
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Fever/Chills/Joint ... : - Gout - Pseudo ... #causes #differential ... #diagnosis #msk
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Crystalline - Gout ... “Bamboo Spine” Fusion ... arthritis - with the ... #Disorders #msk
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Arthrocentesis ... Mucin clot: Good to ... : Gout • CPPD: ... diagnosis #septic #joint
Gout Tophus on POCUS

Linear transducer about 1cm away from bone/joint, typical of small joint in a
The tophus over ... the joint suggests ... clinical #POCUS #ultrasound ... #msk #rheumatology ... #labeled
Knee Effusion on POCUS

Subtle Knee effusion can be made more evident by milking the inferior joint
evident by milking the ... inferior joint ... #POCUS #ultrasound ... #clinical #Msk ... #labeled
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Approach to Joint ... Pain - Arthritis Differential ... Inflammatory Versus ... Crystal induced (Gout ... #Diagnosis #MSK
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
Tender on top of ... showed effusion ... Arthrocentesis-64K ... POCUS #clinical #ultrasound ... #MSK