28 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Arthrocentesis - ... Joint Fluid Analysis ... Effusion Characteristics ... #Joint #Syonvial ... #Fluid #Effusion
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Froment’s Test for ... Froment's Sign is ... compensates via MP joint ... PT_yuu_mizu628 #Froments ... #physicalexam #msk
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
Arthrocentesis of ... rule out septic arthritis ... #Differential #Arthrocentesis ... #Joint #Syonvial ... #Fluid #Effusion
Ankle Arthrocentesis on POCUS

This patient presented with non traumatic ankle pain & swelling. PoCUS can detect
Ankle Arthrocentesis ... on POCUS This ... Absence of a joint ... a septic joint unlikely ... #msk
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
on POCUS IVDU ... showed effusion ... Arthrocentesis-64K ... #Effusion #POCUS ... clinical #ultrasound #MSK
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Lyme), reactive arthritis ... OA *Always do arthrocentesis ... SLE, psoriatic arthritis ... #Joint #Pain #MSK ... differential #diagnosis #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:
#Diagnosis #Arthrocentesis ... #Joint #Syonvial ... #Fluid #Effusion ... Septic #Infective #Arthritis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... “Bamboo Spine” Fusion ... • Reactive arthritis ... @AmyChung #Joint ... #Disorders #msk
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Arthrocentesis ... Inflammatory arthritis ... analysis: • MSU ... diagnosis #septic #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 ... RA/Idiopathic arthritis ... differential #diagnosis #msk