26 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Arthrocentesis - Joint ... Fluid Analysis Effusion ... , Septic arthritis ... Arthrocentesis #Joint ... Syonvial #Fluid #Effusion
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 - Diagnostic Framework

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

1) Chronicity:
): • Septic joint ... Lyme), reactive arthritis ... Noninflammatory • Bloody: Trauma ... neuropathy so trauma ... • WBC >20k: Septic
Septic arthritis of the elbow on Point of Care Ultrasound (POCUS)

66M w painful, swollen R elbow
Septic arthritis ... of Care Ultrasound ... effusion seen between ... @UAB_Sono #Septic ... #arthritis #elbow
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... Monoarthritis • Septic ... “Bamboo Spine” Fusion ... • Reactive arthritis ... @AmyChung #Joint
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
Inflammatory - Septic ... arthritis; however ... Arthrocentesis #Joint ... Syonvial #Fluid #Effusion ... #Infective #Arthritis
MTP Septic arthritis due to non-tuberculous mycobacterium without effusion
We had an immunosuppressed patient with a concerning
MTP Septic arthritis ... mycobacterium without effusion ... Clinically no effusion ... ultrasound can help ... clinical #pocus #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 ... : - Reactive arthritis ... - Rheumatoid arthritis ... RA/Idiopathic 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:
Arthrocentesis #Joint ... Syonvial #Fluid #Effusion ... Aspiration #Pseudogout #Septic ... #Infective #Arthritis
Rheumatoid Arthritis Summary
Overview: chronic, inflammatory symmetric polyarthritis involving small joints of hands/feet, knees, shoulders
Signs & Symptoms:
Rheumatoid Arthritis ... involving small joints ... effusions, reduced ... narrowing) • Ultrasound ... #Rheumatoid #Arthritis