11 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/Night sweats ... (1%) - Watch out ... : - Gout - Pseudo ... gout - Osteoarthritis
Anterior Shoulder Dislocation Pre and Post-Reduction on Point of Care Ultrasound (POCUS)

Using #POCUS to identify an
Anterior Shoulder ... on Point of Care ... Ultrasound (POCUS ... injection for pain ... #Cinical #MSK
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
): • Septic joint ... reactive arthritis, gout ... Spondyloarthropathies, gout ... Parallel, yellow = gout ... #Joint #Pain #MSK
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Monoarthritis • Septic ... Crystalline - Gout ... “Bamboo Spine” Fusion ... Erythematosus (SLE), should ... #Disorders #msk
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Very hard to get out ... Crystal induced (Gout ... fever • Lyme • Gout ... #pain #Differential ... #Diagnosis #MSK
MTP Gout Effusion on POCUS
50s male with DM/HTN (no hx gout) and great toe pain-MTP joint.
MTP Gout Effusion ... DM/HTN (no hx gout ... and great toe pain-MTP ... Just tx as gout? ... MSU crystals=Gout
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
pain. ... AC joint septic ... AC joint septic ... #clinical #ultrasound ... #MSK
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Arthritis • Gout ... Poikilothermia • Septic ... differential #diagnosis ... 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 ... found to have septic ... POCUS #clinical #ultrasound ... #msk #infected
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
be made, rule out ... ligament (near anterior ... MeralgiaParesthetica #MSK ... #pathophysiology ... #differential #