13 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential Diagnosis ... Arthritis: - ... #differential #diagnosis ... #msk #physicalexam
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Arthrocentesis ... Inflammatory arthritis ... #Effusions #Arthrocentesis ... Interpretation #diagnosis
Ultrasound guided arthrocentesis (knee) with a resident.  Same principles apply for all ultrasound guided procedures.
arthrocentesis ... (knee) with a resident ... principles apply for all ... #Arthrocentesis ... #MSK
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
Diagnosis? ... showed effusion ... Arthrocentesis-64K ... #clinical #ultrasound ... #MSK
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Algorithm Monoarthritis ... “Bamboo Spine” Fusion ... Joint #Disorders #msk ... #Differential #Diagnosis
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
Laboratory Diagnosis ... accessible joint effusion ... Syphilis Arthritis-Dermatitis ... Painless) Purulent Arthritis ... Distal joints, knees
Rheumatoid Arthritis Summary
Overview: chronic, inflammatory symmetric polyarthritis involving small joints of hands/feet, knees, shoulders
Signs & Symptoms:
Rheumatoid Arthritis ... of hands/feet, knees ... nodules, joint effusions ... narrowing) • Ultrasound ... #Rheumatoid #Arthritis
Lipohemarthrosis on POCUS
Pain in L knee after injury. Long axis in suprapatellar recess. What's the diagnosis?
Answer:
POCUS Pain in L knee ... What's the diagnosis ... liquid layer in the effusion ... POCUS #clinical #ultrasound ... #msk #knee
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
- Differential Diagnosis ... Algorithm Infection ... Legg-Calve-Perthes Disease Knee ... Deformity #Limp #MSK ... #Differential #Diagnosis
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
a VT run) and fusion ... concordance in all ... Brugada algorithm ... point) of S > 100 ms ... Aberrancy #Comparison #Diagnosis