Trauma Flashcards
What are the signs of compartment syndrome?
Pain out of proportion, pallor, paresthesias, paralysis, pulselessness
What are the compartments of the foot?
Medial, lateral, superficial, adductor, calcaneal and 4 interossei
What is the normal Bohler’s angle? Does it increase or decrease with calc fx?
Normal is 25-40. Decreases with fx
What is the normal Gissane’s angle? Does it increase or decrease with calc fx?
Normal is 120-145. Increases with fx
What is Hoffa sign?
Decreased PF strength due to comminuted calc fx
What is Mondor’s sign?
Ecchymosis around heel due to calc fx
What is fleck sign?
Avulsion between mets 1 and 2 due to lisfranc injury
What types of injuries should compartment syndrome be expected?
Calc fx, lisfranc injuries, pilon fractures, high velocity injuries
What is treatment for a Jahss 1?
ORIF - no disruption of intersesamoid ligament makes closed reduction problematic
What is the Hardcastle equivalent of a Quenu and Kuss divergent injury?
Hardcastle C1 and C2
What is the Hardcastle equivalent of a Quenu and Kuss homolateral/convergent injury?
Hardcastle A
What is the Hardcastle equivalent of a Quenu and Kuss isolateral injury?
Hardcastle B1 and B2
What is a Watson & Jones Type 1?
Tuberosity fx of navicula - nutcracker syndrome
What is a Watson & Jones Type 2?
Dorsal lip fx of navicula
What is a Watson & Jones Type 3a?
Transverse body fx of navicula - non displaced
What is a Watson & Jones Type 3b?
Transverse body fx of navicula - displaced
What is a Watson & Jones Type 4?
Stress fx of naviula
Sanders is a classification for what injury?
Calc fx for CT coronal and axial views
What is a Sheperd’s fx?
Fx of lateral tubercle of posterior process of the talus
What is a Cedel fx?
Fx of the medical tubercle of the posterior process of the talus
What is a Rowe 1a?
Calc fx - tubercle
What is a Rowe 1b?
Susten tali fx
What is a Rowe 1c?
Anterior process fx of calcaneus
What is a Rowe 2a?
Fx of posterosuperior aspect of calc - beak fx due to direct trauma
What is a Rowe 2b?
Fx of posterosuperior aspect of calc - achilles avulsion
What is a Rowe 3?
Oblique calc body fx not involving STJ
What is a Rowe 4?
Calc body fx involving STJ
What is a Rowe 5?
Central depression calc fx with comminution
What is Broca classification for?
STJ dislocations - MC is medial
What is Eckert & Davis classification for?
Peroneal subluxation
What is hallmark injury in SAD ankle fx?
Vertical fx of medial mal
What is hallmark injury in PAB ankle fx?
Short oblique fib fx - spiral on AP and transverse on lateral
What is hallmark injury in SER ankle fx?
Spiral fib fx
What is hallmark injury of PER ankle fx?
High fib fx
What is a Maisonneuve fx?
Fib fx within 10cm of fibular head - worry about injury to common peroneal
What is a Pott’s fx?
Bimalleolar fx
What is Cotton’s fx?
Trimalleolar fx
What is Bosworth’s fx?
Lateral mal fx with displacement
What is a Tillaux fx?
Avulsion of PITFL from tibia
What is Wagstaffe fx?
Avulsion of PITFL from fibula
What is Thurston-Holland sign?
Flag sign - In salter harris 2 fx - triangular sign left proximally
What is a triplane fx?
Peds ankle fx - Type 3 on AP, Type 2/4 on lateral
What is Ruedi & Algower classification for?
Pilon Fx
Describe Gustillo-Anderson type 1
Open fx - less than 1cm - tx with ancef
Describe Gustillo-Anderson type 2
Open fx with wound 1-5 cm - tx with ancef and clinda
Describe Gustillo-Anderson type 3a
Open fx with wound >5cm with adequate soft tissue coverage - delay fixation - tx with ancef, clinda and aminoglycoside/vanco
Describe Gustillo-Anderson type 3b
Open fx with wound >5cm with extensive soft tissue damage and periosteal stripping - delay fixaon - tx with ancef, clinda and aminoglycoside/vanco
Describe Gustillo-Anderson type 3c
Open fx with wound >5cm with arterial damage requiring primary repair - delay fixation - tx with ancef, clinda and aminoglycoside/vanco
What is Volkman’s fx?
Fx of posterior tibia - only fixate if involves greater than 25% of articular surface
What is allodynia?
Pain out of proportion for given stimuli
What is Volkman’s contracture?
Contracture due to compartment syndrome - muscle ischemia –> necrosis –> contractures
Describe esses lopresti classification
Calc fx - joint depression and tongue type
What is Theiman disease?
Osteochondritis of phlanges
What is Freiberg’s disease?
Osteochondritis of met heads (MC 2nd)
What is Iselin’s disease?
Osteochondritis of 5th met base
What is Buschke’s disease?
Osteochondritis of cuneiforms
What is Kohler’s disease?
Osteochondritis of navicula
What is Lance disease?
Osteochondritis of cubiod
What is Sever’s disease?
Osteochondritis of calcaneus
What is Osgood Schlatter’s disease?
Osteochondritis of tibial tuberosity
What is Assman’s disease?
Osteochondritis of 1st met head
What is neurapraxia?
Nerve contusion/compression - Sunderland 1
What is axontmesis?
Axonal damage without endodernial damage - wallerian degeneration - sunderland 2 & 3
What is neurontmesis?
Partial or complete severance of nerve with complete disruption of endoneurial tubes - sunderland 4 & 5
Describe Rosenthall classification
Nail bed injuries - zone 1 distal to distal phalanx, zone 2 distal to lunula, zone 3 proximal to lunula
What is Treve’s disease?
Osteochondritis of fibular sesamoid
What bones in the foot have the highest incidence of stress fx?
2nd met
What are the two types of non unions?
Hypertrophic and atrophic
What is pseudoarthrosis?
False joint formed at fracture site due to incomplete immobilization
At what intercompartmental pressure should fasciotomy be considered?
30 - 45 mm Hg
What is Vassal’s principle?
Reduction of dominant fracture will reduce other fractures - fib fx is dominant in ankle fracture
What is Sudek’s atrophy?
Specific to stage 2 CRPS - osteolysis in spotty pattern
What is Renandier’s disease?
Osteochondritis of tibial sesamoid
What is Diaz disease?
Osteochondritis of talus
What is Blount’s disease?
Osteochondritis of proximal tibia