LA: head & neck Flashcards
where to give injections in beef cattle
front of shoulder
never inject >10cc in one site
what is the cornual block used for
dehorning
where is a cornual block done
1/2 way between the lateral canthus of eye & horn base, just underneath the frontal ridge
when ding a cornual block, what additional block must be done on animals >1yr old
additional ring block on the caudal side of horn
the cornual block in goats is the same block for cattle, plus?
also block the infratrochlear nerve
midway b/w medial canthus & medial horn base
what is the auriculopalpebral block
blocks motor to eyelids & orbicularis oculi muscle; used to allow for easier exam of the eye or proptosis of glove
NO PAIN RELIEF ALONE b/c only blocks motor nerve (branch of the facial n.)
prevents blinking
what block is about to be done here
auriculopalpebral
what is the supraorbital block
blocks sensory & motor to upper eyelid; does not block the orbicularis oculi muscle
allows for inserting tarsorrhaphy, lavage system, eyelid lac, etc
what block would you use to block the eyeball for a procedure like enucleation
4 point block
- protect globe w/ finger
- inject through conjunctiva
- lidocaine goes behind the globe
what is the peterson eye block
blocks CNs 3,4,5,6 as they exit the foramen orbitondorum
common sites for squamous cell carcinoma
- lateral limbus
- eye lids
- medial canthus
- 3rd eyelid
what is the caudal auricular vein and artery often used for
vein - IV fluid therapy
artery - arterial blood gas analysis
what is the torus linguae
pushed food bolus onto hard palate to squeeze liquids into esophagus
gap b/w premolars and canines where you can safetly put your hand
Diastema
what is in the jugular groove
esophagus & jugular vein
esophagus on left side, lies medio-dorsal to jugular vein
