16 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Monoarthritis • Septic ... Crystalline - Gout ... Erythematosus (SLE), should ... have other symptoms ... Joint #Disorders #msk
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 ... Knee Effusions - Septic ... (1%) - Watch out ... Effusions: - Gout ... - Pseudo gout
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
CPPD vs Gout ... weird joints (shoulders ... disease states Pathophysiology ... onset of swelling, pain ... Wrist, MCP, or shoulder
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
axial (spine, shoulders ... Very hard to get out ... Crystal induced (Gout ... fever • Lyme • Gout ... #Diagnosis #MSK
Gouty arthritis of the shoulder joint

50 yo male presented with shoulder pain.

Note double contour sign at
Gouty arthritis ... of the shoulder ... pain. ... 1105516919841525761 #Gout ... #POCUS #Ultrasound
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
be made, rule out ... absent: lower back pain ... Raise Test - Pain ... MeralgiaParesthetica #MSK ... #pathophysiology
Adhesive Capsulitis (Frozen Shoulder) - Pathogenesis and Clinical Findings

 • Primary (Idiopathic): Unknown etiology, but associated
pain • Incr Shoulder ... painShoulder ... FrozenShoulder #pathophysiology ... #diagnosis #symptoms ... stages #staging #msk
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint Pain ... , gout or pseudogout ... Spondyloarthropathies, gout ... Parallel, yellow = gout ... #Joint #Pain #MSK
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
• Fracture • Arthritis ... • Gout/pseudogout ... syndrome • Arthritis ... Poikilothermia • Septic ... lower #extremity #msk
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

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