Exam 4 Foot Ortho Emergencies Flashcards
Fracture blisters typically seen where?
Over fractures where there is little SQ b/w skin and bone (e.g. ankles)
5th Metatarsal Fxr: Mechanism of Injury (MOI)?
Foot inverted w/ heel raised
Includes vertical and/or medial-lateral force
5th Metatarsal Fxr: Jones?
Fxr to 5th MT base (metaphyseal/diaphyseal jxn)
May extend to 4th-5th inter-metatarsal area
Area is poorly vascularized = easier to break, harder to heal
5th Metatarsal Fxr: Peroneus brevis?
Wide insertion of peroneus brevis mm in that area may cause avulsion (pulling away chunk of bone)
Lisfranc Injury is?
Fxr/dislocation of 1st/2nd TMT joint
Lisfranc: MOI?
High energy: MVA, fall from height
Low energy: Step of curb, step into hole
Lisfranc: Issue?
Stability of foot
2nd MT is “keystone” to foot’s arch
Lisfranc: Presentation?
Midfoot pain w/ weight
Point tender
Swell/deform midfoot
Plantar flex and forefoot rotation pain
Lisfranc: XRays views/findings?
AP: Misalign of 2nd MT MEDIAL margin and middle cuneform
Lateral: Misalign of 1st/2nd MT DORSAL margin and middle cuneform
Oblique: Misalign of 4th MT base and cuboid
Lisfranc: tx?
Early identification!
Stabilize w/ cast or surgery
Calcaneus fxr: tx?
Non-weightbearing Cast x 6 wks
Surgery
Achilles tendon: Insertion for what mm?
Fxn?
Gastrocnemius/Soleus
Plantarflex ankle/foot
Achilles tendon: Acute injuries? (2)
Chronic injuries?
Tendonitis
Rupture
Tendinosis Insertional enthesitis (inflammation)
Achilles tendon C misdiagnosed as?
ankle sprain
Achilles tendon: Presentation?
Point tenderness
Palpable defect
+ Thompson
