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 ... Fever/Chills/Joint ... Knee Effusions: ... diagnosis #msk #
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 ... joint, so scan ... #MSK #POCUS #Clinical
Knee Effusion on POCUS

Subtle Knee effusion can be made more evident by milking the inferior joint
Knee Effusion on ... POCUS Subtle Knee ... #Effusion #POCUS ... #ultrasound #clinical ... #Msk #labeled
Rheumatoid Arthritis Summary
Overview: chronic, inflammatory symmetric polyarthritis involving small joints of hands/feet, knees, shoulders
Signs & Symptoms:
Rheumatoid Arthritis ... of hands/feet, knees ... effusions, reduced ... narrowing) • Ultrasound ... #Rheumatoid #Arthritis
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Inflammatory arthritis ... Noninflammatory arthritis ... Enthesitis: • Site of pathology ... #Pain #MSK #rheumatology ... approach #workup #differential
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Inflammatory arthritis ... analysis: • MSU ... membrane histo-anthology ... diagnosis #septic #joint
MCP Synovitis on Ultrasound
Young rheumatology patient. Florid synovitis of the MCP joint with effusion on dynamic
Young rheumatology ... with effusion on ... Synovitis #Metacarpal #MSK ... #Ultrasound #POCUS ... #Effusion
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... suggested by warmth, effusion ... Joint #pain #Differential ... #Diagnosis #MSK ... #rheumatology #
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
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
on POCUS IVDU ... showed effusion ... #Effusion #POCUS ... #clinical #ultrasound ... #MSK