11 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Arthrocentesis - Joint ... Fluid Analysis Effusion ... birefringent crystals), Gout ... , Septic arthritis ... #Diagnosis #Differential
MTP Septic arthritis due to non-tuberculous mycobacterium without effusion
We had an immunosuppressed patient with a concerning
MTP Septic arthritis ... concerning 1st MTP ... ultrasound can help ... clinical #pocus #joint ... #MTP #finger
MTP Gout Effusion on POCUS
50s male with DM/HTN (no hx gout) and great toe pain-MTP joint.
MTP Gout Effusion ... great toe pain-MTP ... No trauma. ... MTP joint. ... #Gout #Effusion
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
): • Septic joint ... Noninflammatory • Bloody: Trauma ... neuropathy so trauma ... • WBC >20k: Septic ... approach #workup #differential
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Monoarthritis • Septic ... Crystalline - Gout ... “Bamboo Spine” Fusion ... Disorders #msk #Differential
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
does not rule out ... septic arthritis ... 50,000 #Diagnosis #Differential ... Arthrocentesis #Joint ... Syonvial #Fluid #Effusion
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 ... - Septic Arthritis ... : - Gout - Pseudo ... gout - Osteoarthritis
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
Septic Arthritis ... Tender on top of ... septic arthritis ... #Septic #Arthritis ... #clinical #ultrasound
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... suggested by warmth, effusion ... Noninflammatory • Trauma ... Crystal induced (Gout ... Joint #pain #Differential
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... • Gout/pseudogout ... • Trauma • ... Poikilothermia • Septic ... #Leg #pain #differential