10 results
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
left shoulder pain ... Arthrocentesis-64K ... AC joint septic ... AC joint septic ... #MSK
Ankle Arthrocentesis on POCUS

This patient presented with non traumatic ankle pain & swelling. PoCUS can detect
traumatic ankle pain ... Absence of a joint ... a septic joint unlikely ... #POCUS #ultrasound ... #msk
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint ... Pain - Diagnostic ... ): • Septic joint ... OA *Always do arthrocentesis ... #Joint #Pain #MSK
MTP Gout Effusion on POCUS
50s male with DM/HTN (no hx gout) and great toe pain-MTP joint.
MTP Gout Effusion ... pain-MTP joint. ... MSU crystals=Gout ... Labeled Schematic ... #MSK #Toe
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Arthrocentesis ... analysis: • MSU ... : Gout • CPPD: ... #joint #fluid #
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/Night sweats ... - Septic Arthritis ... : - Gout - Pseudo ... differential #diagnosis #msk
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Approach to Joint ... Inflammatory Versus ... suggested by warmth, effusion ... Crystal induced (Gout ... #Diagnosis #MSK
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Arthritis • Gout ... • Hematoma Venous ... Poikilothermia • Septic ... move the joint ... lower #extremity #msk
Purulent Ankle Joint on POCUS
Young patient 2 weeks status post ORIF of ankle fracture presents with
presents with ankle pain ... flowing in and out ... of the ankle joint ... have septic arthritis ... #msk #infected
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
deposition in joints ... attacks • Other joints ... Uncertain diagnosis or arthrocentesis ... not possible • Ultrasound ... Dual-energy CT → MSU