28 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 ... Arthrocentesis #Joint
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 ... (1%) - Watch out ... : - Gout - Pseudo ... gout - Osteoarthritis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Monoarthritis • Septic ... Crystalline - Gout ... “Bamboo Spine” Fusion ... Erythematosus (SLE), should ... #Disorders #msk
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
Septic Arthritis ... septic arthritis ... #Effusion #POCUS ... #clinical #ultrasound ... #MSK
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... • This case should ... • Gout can present ... Gout is relatively ... #Gouty #Arthritis
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
): • Septic joint ... , gout or pseudogout ... Spondyloarthropathies, gout ... Parallel, yellow = gout ... #Joint #Pain #MSK
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
does not rule out ... septic arthritis ... Arthrocentesis #Joint ... Syonvial #Fluid #Effusion ... #Infective #Arthritis
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
axial (spine, shoulders ... Very hard to get out ... 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 ... POCUS revealed joint ... MSU crystals=Gout ... #POCUS #ultrasound ... #MSK #Toe
Septic arthritis of the elbow on Point of Care Ultrasound (POCUS)

66M w painful, swollen R elbow
Septic arthritis ... (POCUS) 66M ... effusion seen between ... #arthritis #elbow ... #POCUS #Synovitis