Trauma Flashcards

1
Q

Canadian CT head rule for adults

A

Exclusion criteria
- age < 16yrs
- on anticoagulants
- seizure after injury

High risk criteria
- GCS < 15 2hrs post injury
- suspected open or depressed skull fracture
- signs of BOS # (haemotympanum, battles sign, raccoon eyes, CSF leak)
- > 2 episodes of vomiting
- age > 65yrs

Medium risk criteria
- retrograde amnesia > 30 mins
- dangerous mechanism (fall > 3ft or > 5 stairs, Ped vs vehicle, occupant ejected from motor vehicle

If any high or medium risk criteria CT head is necessary

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2
Q

Ottawa ankle and foot rules

A

Could they walk 4 steps in ED
Tenderness over distal 6cm of tibia or tip of medial malleolus
Tenderness over distal 6cm of fibula or tip of lateral malleolus

  • if any order ankle xray

Pain in the mid foot plus any:
Could they walk 4 steps in ED
Tenderness over base of 5th metatarsal
Tenderness over navicular

  • if meets criteria order foot xray
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3
Q

Ottawa knee rule

A

Inability to weight bear immediately and for 4 steps in ED
Age > 55
Isolated patella tenderness
Tenderness at head of fibula
Inability to flex knee to 90 degrees

  • if one or more findings after knee injury then order knee xray
  • 100% sensitivity, reduces X-rays by 28%
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4
Q

Anticoagulant reversal

A

Warfarin
- vitamin K 10mg IV
- TXA 1g
- prothrombinex 25-50u/kg

Dabigatran
- check thrombin time
- idarucizumab 5g IV
- prothrombinex 25-50u/kg
- haemodialysis

Apixaban/rivaroxaban
- Xa levels
- adnexenet alpha
- prothrombinex 25-50u/kg

Alteplase
- TXA 1g
- cryoprecipitate 10u
- target fibrinogen > 20mg/dl

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5
Q

Unstable c spine fractures

A

Jefferson
- C1 burst fracture
- axial load, assoc with C2 # in 33% of cases

Bilateral facet dislocation
- flexion

Odontoid
- type II and III unstable
- flexion

Atlanto axial dislocation
- flexion, often fatal

Hangman’s
- C2 pedicular fracture
- extension

Teardrop
- flexion at C2 often with central cord syndrome
- extension C5 MOST SEVERE C SPINE # with anterior cord syndrome

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6
Q

CTB in trauma

A

Blood Can Be Very Bad

Blood
Cisterns
Brain
Ventricles
Bones

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