Trauma part 3

Question 1

Posterior triangle borders ?

Answer 1

middle third of the clavicle

anterior border of the trapezius muscle

posterior border of the sternocleidomastoid

Question 2

Posterior triangle vital structures ?

Answer 2

subclavian artery

brachial plexus

Question 3

Anterior triangle borders ?

Answer 3

midline of the neck

lower border of mandible

anterior border of the sternocleidomastoid

Question 4

Anterior triangle vital structures ?

Answer 4

carotid artery

internal jugular vein

vagus nerve

thyroid gland
Larynx
Trachea
esophagus

Question 5

Zone 1 borders ?

Answer 5

clavicles to the cricoid cartilage

Question 6

Zone 1 major structures ?

Answer 6

vertebral artery

proximal carotid artery

major thoracic vessels

lungs

Trachea

esophagus
thoracic duct
spinal cord

Question 7

Zone II borders ?

Answer 7

inferior margin of the cricoid cartilage cephalad to the angle of the mandible

Question 8

Zone II major structures ?

Answer 8

carotid artery

vertebral arteries,

jugular veins,

Trachea

Esophagus
Larynx
spinal cord

Question 9

Zone III borders ?

Answer 9

between the angle of the mandible and the base of the skull

Question 10

Zone III major structures ?

Answer 10

distal carotid

vertebral arteries

Pharynx

spinal cord

Question 11

platysma ?

Answer 11

landmark when evaluating penetrating neck injuries

C7 cross section

**disruption of this, intergerty is interrupted then you need aggressive tx. **