22 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 ... the knee Infectious ... - Septic Arthritis ... - Aneurysmal bone ... #msk #physicalexam
Evaluation of Suprapatellar Knee Effusion (normal knee) on Point of Care Ultrasound (POCUS)

POCUS for knee effusions:
knee) on Point ... of Care Ultrasound ... for knee effusions ... knee joint, so ... #MSK #POCUS #Clinical
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Monoarthritis • Septic ... Crystalline - Gout ... “Bamboo Spine” Fusion ... arthritis - with the
MTP Gout Effusion on POCUS
50s male with DM/HTN (no hx gout) and great toe pain-MTP joint.
MTP Gout Effusion ... POCUS revealed joint ... MSU crystals=Gout ... #MTP #Gout #Effusion ... #ultrasound #MSK
Knee Effusion on POCUS

Subtle Knee effusion can be made more evident by milking the inferior joint
Knee Effusion on ... POCUS Subtle Knee ... inferior joint ... #Effusion #POCUS ... #Msk #labeled
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
Tender on top of ... Diagnosis? ... #Effusion #POCUS ... #clinical #ultrasound ... #MSK
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Mucin clot: Good to ... : Gout • CPPD: ... Interpretation #diagnosis ... #septic #joint
Suprapatellar Knee Hemarthrosis on POCUS
Note the supra-patella plica separating the physiological knee fluid from the blood
Hemarthrosis on POCUS ... joint proper. ... stock standard effusion ... #clinical #ultrasound ... #msk
Gout Tophus on POCUS

Linear transducer about 1cm away from bone/joint, typical of small joint in a
Gout Tophus on POCUS ... 1cm away from bone ... the joint suggests ... tophi #clinical #POCUS ... #ultrasound #msk
Baker's Cyst on POCUS 
63yo w p/w pain and swelling behind knee.  Probe on knee
outpouching from joint ... dx) that pops out ... Global Ultrasound ... #ultrasound #knee ... #clinical #msk