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

Viscosity of synovial
Arthrocentesis of ... does not rule out ... septic arthritis ... #Joint #Syonvial ... #Fluid #Effusion
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Monoarthritis • Septic ... Crystalline - Gout ... “Bamboo Spine” Fusion ... - with the skin ... #Disorders #msk
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
Septic Arthritis ... Arthrocentesis-64K ... septic arthritis ... #clinical #ultrasound ... #MSK
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint ... ): • Septic joint ... OA *Always do arthrocentesis ... • WBC >20k: Septic ... #Joint #Pain #MSK
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Arthrocentesis ... Inflammatory arthritis ... : Gout • CPPD: ... #joint #fluid #
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Fever/Chills/Joint ... - Septic Arthritis ... : - Gout - Pseudo ... gout - Osteoarthritis ... differential #diagnosis #msk
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Approach to Joint ... Inflammatory Versus ... Crystal induced (Gout ... fever • Lyme • Gout ... #Diagnosis #MSK
MTP Gout Effusion on POCUS
50s male with DM/HTN (no hx gout) and great toe pain-MTP joint.
MTP Gout Effusion ... without using ultrasound ... MSU crystals=Gout ... Labeled Schematic ... #MSK #Toe
MTP Septic arthritis due to non-tuberculous mycobacterium without effusion
We had an immunosuppressed patient with a concerning
MTP Septic arthritis ... History of gout. ... 1) even with gout ... ultrasound can help ... clinical #pocus #joint
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Gout/pseudogout ... • Hematoma Venous ... Poikilothermia • Septic ... move the joint ... lower #extremity #msk