Carotid Triangle Flashcards
1
Q
Boundries
A
- Behind
- Above and in front
- Below and in front
2
Q
Behind
A
Upper part sternomastoid
3
Q
Above and in front
A
Posterior belly digastric
4
Q
Below and in front
A
Superior belly omohyoid
5
Q
Roof
A
- Skin
- Superficial fascia (containing Platysma)
- Deep fascia
6
Q
Floor
A
- Side pharynx (inferior and middle constrictors)
- Thryohyoid
- Hyoglossus
7
Q
Blood vessels
A
3 carotid arteries and IJV
8
Q
Arteries
A
- Common carotid artery (CCA)
- ECA
- ICA
9
Q
Veins
A
- Superior thyroid
- Lingual
- Common facial veins
- IJV
10
Q
CCA
A
Divides at upper border thyroid cartilage into: ICA and ECA
11
Q
ECA
A
Anteromedial to ICA outside carotid sheath gives 5 branches in triangle:
1. Superior thyroid artery
2. Lingual artery
3. Facial artery
4. Occcipital artery
5. Ascending pharyngeal
12
Q
Superior thyroid artery
A
Runs downwards and forwards
13
Q
Lingual artery
A
Runs forwards with loop opposite tip of hyoid greater horn
14
Q
Facial artery
A
Runs upwards and forwards above lingual artery
15
Q
Occipital artery
A
Runs upwards and backwards along posterior belly digastric lower border
