19 results
Arthrocentesis - Joint Fluid Analysis

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

Viscosity of synovial
Arthrocentesis of ... rule out septic arthritis ... ; however, the diagnosis ... #Joint #Syonvial ... Effusion #Analysis #Table
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:
nongonococcal ) #Diagnosis ... #Arthrocentesis ... #Joint #Syonvial ... Effusion #Analysis #Table ... Septic #Infective #Arthritis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... - Differential Diagnosis ... should have other symptoms ... #Disorders #msk ... #Differential #Diagnosis
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
or nerve root Symptoms ... • Inflammatory arthritis ... #Pain #MSK #rheumatology ... #differential #diagnosis ... #arthritis
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... OA *Always do arthrocentesis ... • Key point: If ... #Joint #Pain #MSK ... #differential #diagnosis
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - Arthrocentesis ... Inflammatory arthritis ... analysis: • MSU ... Interpretation #diagnosis ... #septic #joint
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Vascular Joint Pain ... - Differential Diagnosis ... e.g. fractured long ... Vascular #JointPain #MSK ... #Differential #Diagnosis
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
Septic Arthritis ... Diagnosis? ... Arthrocentesis-64K ... arthritis rare. ... clinical #ultrasound #MSK
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Approach to Joint ... Differential Diagnosis ... constitutional symptoms ... Joint #pain #Differential ... #Diagnosis #MSK