22 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Algorithm Monoarthritis ... • Septic • ... Crystals - “Pseudogout ... #Disorders #msk
Arthrocentesis - Joint Fluid Analysis

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

Viscosity of synovial
Inflammatory - Septic ... 50,000 #Diagnosis #Differential ... Arthrocentesis #Joint ... Analysis #Table #Aspiration ... #Pseudogout #Septic
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
): • Septic joint ... arthritis, gout or pseudogout ... • WBC >20k: Septic ... #Joint #Pain #MSK ... approach #workup #differential
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 ... Analysis #Table #Aspiration ... #Pseudogout #Septic
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... induced (Gout/Pseudogout ... Lyme • Gout/Pseudogout ... #pain #Differential ... #Diagnosis #MSK
Chronic Joint Pain - Differential Diagnosis Algorithm 
Intra-Articular
 - Bone
     • Stress
- Differential ... Synovium • Monoarthritis ... Bursa • Aseptic ... Intraarticular #MSK ... #Differential #
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint ... Pain - Differential ... Podagra, Tophi) • Pseudogout ... Inflammatory #JointPain #MSK ... #Differential #
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Pain - Differential ... Polyarticular Join ... Infectious #JointPain #MSK ... #Differential #
Ankle Arthrocentesis on POCUS

This patient presented with non traumatic ankle pain & swelling. PoCUS can detect
Ankle Arthrocentesis ... Absence of a joint ... effusion makes a septic ... joint unlikely. ... POCUS #ultrasound #msk