13 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Fever/Chills/Joint pain ... (1%) - Watch out ... Gout - Pseudo ... gout - Osteoarthritis ... #msk #physicalexam
Aspiration of MTP Gout Effusion

Good to the last drop. In-plane ultrasound guided aspiration to maximize fluid
Gout Effusion ... gout in this case ... #Gout #Effusion ... #clinical #pocus ... #ultrasound #msk
MTP Gout Effusion on POCUS
50s male with DM/HTN (no hx gout) and great toe pain-MTP joint.
MTP Gout Effusion ... and great toe pain-MTP ... MSU crystals=Gout ... #Gout #Effusion ... #ultrasound #MSK
Lipohemarthrosis on POCUS
Pain in L knee after injury. Long axis in suprapatellar recess. What's the diagnosis?
Answer:
Pain in L knee ... What's the diagnosis ... liquid layer in the effusion ... #clinical #ultrasound ... #msk #knee
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
axial (spine, shoulders ... Very hard to get out ... Crystal induced (Gout ... fever • Lyme • Gout ... #MSK #rheumatology
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
CPPD vs Gout ... weird joints (shoulders ... , or shoulder joints ... forefoot, ankles, knees ... #Comparison #rheumatology
Baker's Cyst on POCUS 
63yo w p/w pain and swelling behind knee.  Probe on knee
63yo w p/w pain ... dx) that pops out ... Global Ultrasound ... #ultrasound #knee ... #clinical #msk
Rheumatoid Arthritis Summary
Overview: chronic, inflammatory symmetric polyarthritis involving small joints of hands/feet, knees, shoulders
Signs & Symptoms:
of hands/feet, knees ... , shoulders Signs ... inflammatory) • joint pain ... nodules, joint effusions ... narrowing) • Ultrasound
Purulent Ankle Joint on POCUS
Young patient 2 weeks status post ORIF of ankle fracture presents with
Ankle Joint on POCUS ... ORIF of ankle fracture ... presents with ankle pain ... flowing in and out ... #msk #infected
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
Gout - Diagnosis ... forefoot, ankles, knees ... not possible • Ultrasound ... Dual-energy CT → MSU ... #treatment #rheumatology