21 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Septic Arthritis ... (1%) - Watch out ... : - Gout - Pseudo ... gout - Osteoarthritis ... differential #diagnosis #msk
Posterior Shoulder Dislocation on POCUS

The team wasn't sure if shoulder had been reduced. Rather than send
Posterior Shoulder ... wasn't sure if shoulder ... Rather than send out ... POCUS #clinical #ultrasound ... #MSK #Anatomy
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Monoarthritis • Septic ... Crystalline - Gout ... “Bamboo Spine” Fusion ... Erythematosus (SLE), should ... have other symptoms
Aspiration of MTP Gout Effusion

Good to the last drop. In-plane ultrasound guided aspiration to maximize fluid
Aspiration of MTP Gout ... In-plane ultrasound ... small. 1st MTP gout ... Aspiration #MTP #Gout ... #msk #toe
Adhesive Capsulitis (Frozen Shoulder) - Pathogenesis and Clinical Findings

 • Primary (Idiopathic): Unknown etiology, but associated
injury (i.e. post ... will stop, but post-inflammatory ... FrozenShoulder #pathophysiology ... #diagnosis #symptoms ... stages #staging #msk
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
paresthetica • Symptoms ... 3-6 months of symptom ... be made, rule out ... MeralgiaParesthetica #MSK ... #pathophysiology
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 ... Just tx as gout? ... MSU crystals=Gout ... #MSK #Toe
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Culture: Negative Septic ... analysis: • MSU ... : Gout • CPPD: ... rav7ks #Knee #Effusions
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
axial (spine, shoulders ... constitutional symptoms ... Very hard to get out ... Crystal induced (Gout ... fever • Lyme • Gout
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
with severe left shoulder ... Tender on top of shoulder ... AC joint showed effusion ... POCUS #clinical #ultrasound ... #MSK