12 results
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Diagnosis Framework Bone ... Limb ischemia • Aortic ... #differential # ... lower #extremity #msk
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Ligament • Bone ... • Inflammatory arthritis ... the subchondral bone ... #MSK #rheumatology ... approach #workup #differential
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Avulsion or shearing injury ... tear a portion of bone ... weight-bear • Arthritic ... Leg • Shooting pains ... FemoralHead #Fractures #msk
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Fever/Chills/Joint pain ... bearing after injury ... - Aneurysmal bone ... #diagnosis #msk
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
< 30 years - Aorta ... branches • GCA: - Aorta ... purpura: strong sign ... LFT • ESR • ANA ... #diagnosis #rheumatology
Freiberg Infraction - MSK Radiology
Imaging Findings:
 • Sclerosis of the 2nd MT head with flattening of
Freiberg Infraction - MSK ... for secondary signs ... Differential diagnosis ... Plantar plate injury ... plate, subchondral bone
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
those coming off aorta ... systemic sx + signs ... very remarkable w/differential ... claudication: pain ... them, but urgent rheumatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
to local skin injury ... Behcet disease) Differential ... Nonsurgical abdominal pain ... diagnosis #management #signs ... #symptoms #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... purpura: Strong sign ... < 30 years • Aorta ... ): • Aorta and ... #Diagnosis #Rheumatology
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
frequent attacks • Arthritis ... double contour sign ... overhanging cortical bone ... +Radiographic signs ... management #treatment #rheumatology