ABFAS FINAL PAPER QUESTIONS AND
SOLUTIONS
◉ When is surgical management of metatarsal fractures
indicated?
Answer: >10 degrees angulation
> 3-4 mm of displacement
◉ What is fixation of choice when the lateral cortex breaks in an
oblique akin osteotomy?
Answer: Crossed K wires
◉ MC deformity following fibular sesamoidectomy?
Answer: Hallux varus
◉ Callus distraction is achieved best with how many turns/ how
much distraction per day?
Answer: 4 quarter turns
1mm total per day
◉ Where does the blood supply of the 1st metatarsal come from?
Answer: 1st dorsal metatarsal artery
1st plantar metatarsal artery
, superficial branch of the medial plantar artery
◉ delete
Answer: delete
◉ What are the hypertrophic nonunions?
Answer: Elephant foot
Horse foot
Oligotrophic
◉ What are the atrophic nonunions?
Answer: Atrophic
Wedge
Comminuted
Defect
◉ Why do fibromas have high reoccurrence rate?
Answer: Incomplete excision
◉ What is the toxic dose for lidocaine plain? w/ epi?
Answer: Plain- 4.5
Epi- 7
kg x # = dose for weight of pt in GRAMS
SOLUTIONS
◉ When is surgical management of metatarsal fractures
indicated?
Answer: >10 degrees angulation
> 3-4 mm of displacement
◉ What is fixation of choice when the lateral cortex breaks in an
oblique akin osteotomy?
Answer: Crossed K wires
◉ MC deformity following fibular sesamoidectomy?
Answer: Hallux varus
◉ Callus distraction is achieved best with how many turns/ how
much distraction per day?
Answer: 4 quarter turns
1mm total per day
◉ Where does the blood supply of the 1st metatarsal come from?
Answer: 1st dorsal metatarsal artery
1st plantar metatarsal artery
, superficial branch of the medial plantar artery
◉ delete
Answer: delete
◉ What are the hypertrophic nonunions?
Answer: Elephant foot
Horse foot
Oligotrophic
◉ What are the atrophic nonunions?
Answer: Atrophic
Wedge
Comminuted
Defect
◉ Why do fibromas have high reoccurrence rate?
Answer: Incomplete excision
◉ What is the toxic dose for lidocaine plain? w/ epi?
Answer: Plain- 4.5
Epi- 7
kg x # = dose for weight of pt in GRAMS
