Bovine Flash Notes - Ocular/Dehorning Anesthesia

Question 1

what are the 4 main blocks used for eye anesthesia in ruminants?

Answer 1

1. peterson eye block
2. retrobulbar eye anesthesia
3. auriculopalpebral block
4. lid infusion

Question 2

what nerves are blocked by the peterson & retrobulbar blocks?

Answer 2

trochlear, ophthalmic branch of V, maxillary branch of V, oculomotor, & abducens

Question 3

what nerves are blocked by the auriculopalpebral branch block & lid infusion blocks?

Answer 3

auriculopalpebral branch of facial nerve

Question 4

what blocks must be done to perform an enucleation?

Answer 4

auriculopalpebral branch block + lid infusion

or

peterson eye block + retrobulbar block

Question 5

what nerve block must be done to dehorn a cow?

Answer 5

cornual nerve - branch of zygomaticotemporal nerve which is a branch of the maxillary division of the trigeminal nerve

Question 6

what block is shown in this photo?

Answer 6

cornual block

Question 7

what block is shown in this photo?

Answer 7

peterson eye block

Question 8

what block is shown in this photo?

Answer 8

lid infusion

Question 9

what block is shown in this photo?

Answer 9

retrobulbar block

Question 10

what blocks is shown in this photo?

Answer 10

a - peterson eye block

c - auriculopalpebral branch block