16 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Effusions - Septic ... (1%) - Watch out ... Effusions: - Gout ... - Pseudo gout ... #msk #physicalexam
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Monoarthritis • Septic ... Crystalline - Gout ... Erythematosus (SLE), should ... have other symptoms ... Joint #Disorders #msk
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
sensory • Before diagnosis ... be made, rule out ... MeralgiaParesthetica #MSK ... #pathophysiology ... #differential #diagnosis
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... analysis: • MSU ... : Gout • CPPD: ... Interpretation #diagnosis ... #septic #joint
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
CPPD vs Gout ... weird joints (shoulders ... disease states Pathophysiology ... Wrist, MCP, or shoulder ... forefoot, ankles, knees
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
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
Gout - Diagnosis ... Conditions for Gout ... forefoot, ankles, knees ... not possible • Ultrasound ... Dual-energy CT → MSU
TISSUE APPEARANCES ON 
MUSCULOSKELETAL ULTRASOUND 

Bone:
 
Bone is represented as a very bright structure and appears
to fibroadipose septa ... honeycomb’ or ‘pepper pot ... interrogation as it should ... infrapatellar bursa of the knee ... MUSCULOSKELETAL #MSK
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
Attention Deficit Hyperactive Disorder (ADHD): Pathogenesis and clinical findings
 - For diagnosis, must have either 26
findings - For diagnosis ... Impulsivity • Blurts out ... require sustained mental ... BehavioralDisorder #Pathophysiology ... #diagnosis #symptoms