12 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Arthrocentesis - Joint ... Fluid Analysis ... , Septic arthritis ... #Diagnosis #Differential ... #Infective #Arthritis
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
arthritis; however ... 50,000 #Diagnosis #Differential ... Arthrocentesis #Joint ... #Effusion #Analysis ... #Infective #Arthritis
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:
Synovial Fluid Analysis ... Arthrocentesis #Joint ... #Effusion #Analysis ... Aspiration #Pseudogout #Septic ... #Infective #Arthritis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Monoarthritis • Septic ... “Bamboo Spine” Fusion ... within 1 month of infection ... Disorders #msk #Differential
Septic arthritis of the elbow on Point of Care Ultrasound (POCUS)

66M w painful, swollen R elbow
Septic arthritis ... thickening and joint ... effusion seen between ... Synovial fluid WBC ... #Joint #Clinical
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
): • Septic joint ... neuropathy so trauma ... infection, needs ... infection. ... approach #workup #differential
MTP Septic arthritis due to non-tuberculous mycobacterium without effusion
We had an immunosuppressed patient with a concerning
MTP Septic arthritis ... case to get any fluid ... ultrasound can help ... only got enough fluid ... clinical #pocus #joint
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
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 ... - DDX: - Infection ... - Septic Arthritis ... #causes #differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... 2000 in synovial fluid ... Noninflammatory • Trauma ... By: - Chronic Infection ... Joint #pain #Differential