The Neck

Question 0

Zone 1

Answer 0

Below cricoid cartilage
Vessels: aortic arch, subclavian vessels
Nerves: brachial plexus, L recurrent laryngeal nerve, sympathetic trunk
Resp: trachea, apex of lungs
Digestive: oesphagus
Lymphatic: thoracic duct (left)
Endocrine: thyroid

Question 1

Difference between anterior and posterior triangle

Answer 1

Anterior: Anterior to posterior border of sternocleidomastoid muscle

Posterior: Behind posterior border of sternocleidomastoid muscle to platysma muscle

Question 2

Zone 2

Answer 2

Between cricoid and angle of mandible
Vessels: common carotid artery, internal jugular vein
Nerves: vagus, recurrent laryngeal, phrenic
Resp: trachea, larynx
Digestive: oesophagus

Question 3

Zone 3

Answer 3

Above angle of mandible
Vessels: internal & external carotid arteries, internal jugular vein
Nerves: CN 7-12
Resp/Digestive: pharynx, parotid gland

Question 4

Clinical signs of significant neck injury

Answer 4

“Blood Sounds Painful”

• Haematoma
• Bloody sputum
• Haemo-/pneumothorax
• Hoarseness
• Stridor
• Bruit
• Thrill
• Odynophagia/Dysphagia

Question 5

Investigations for neck injury

Answer 5

• CXR
• C-Spine
• Gastrograffin swallow
• Endoscopy
• CT angiogram