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 ... Fever/Chills/Joint ... Effusions - Septic ... Gout - Pseudo ... differential #diagnosis #msk
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... Monoarthritis • Septic ... Crystalline - Gout ... “Bamboo Spine” Fusion ... #Disorders #msk
Evaluation of Suprapatellar Knee Effusion (normal knee) on Point of Care Ultrasound (POCUS)

POCUS for knee effusions:
Effusion (normal ... knee) on Point ... of Care Ultrasound ... joint, so scan ... #MSK #POCUS #Clinical
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Culture: Negative Septic ... analysis: • MSU ... : Gout • CPPD: ... #joint #fluid #
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
) Joint Septic Arthritis ... AC joint septic ... AC joint septic ... POCUS #clinical #ultrasound ... #MSK
Knee Effusion on POCUS

Subtle Knee effusion can be made more evident by milking the inferior joint
Knee Effusion on ... effusion can be ... milking the inferior joint ... #ultrasound #clinical ... #Msk #labeled
Ankle Arthrocentesis on POCUS

This patient presented with non traumatic ankle pain & swelling. PoCUS can detect
Absence of a joint ... effusion makes ... a septic joint unlikely ... 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 ... without using ultrasound ... MSU crystals=Gout ... #POCUS #ultrasound ... #MSK #Toe
Suprapatellar Knee Hemarthrosis on POCUS
Note the supra-patella plica separating the physiological knee fluid from the blood
Suprapatellar Knee ... joint proper. ... stock standard effusion ... POCUS #clinical #ultrasound ... #msk
MTP Septic arthritis due to non-tuberculous mycobacterium without effusion
We had an immunosuppressed patient with a concerning
History of gout. ... Clinically no effusion ... 1) even with gout ... arthritis 3) ultrasound ... clinical #pocus #joint