2- Equine regional anaesthesia of the head

Question 1

What are the 5 sensory nerve blocks you do for eye surgery in a horse?

Answer 1

Supraorbital
Lacrimal
Zygomatic
Infratrochlea
Retrobulbar

Question 2

The maxillary branch of the trigeminal nerve goes into through….. & comes out of the….?

Answer 2

Maxillary foramen & out of infraorbital foramen

Question 3

How do we estimate where the mandibular Forman is located on a horse?

Answer 3

Draw a cross where the cheek teeth meet & line vertically down from the lateral cantos of the eye

Sits at the point of cross

Question 4

2 different ways to carry out a retrobulbar block

Answer 4

Needle to back of the eye following the curvature

Via the supraorbital fossa = hollow socket at top of the horses eye

Deposit at the back of the eye

Question 5

What are the branches of the trigeminal nerve?

Answer 5

ophthalmic, maxillary, mandibular