Anaesthesia: Maintenance and Equine Locoregional Techniques Practicals Flashcards
What is the definition of BOAS?
BOAS is brachycephalic obstructive airway syndrome
Elongated soft palate
Stenotic nares
Hypoplastic trachea
Eversion larnygeal saccules
What are the problems found with colicking horses?
What are the options to manage maintenance of GA?
What are the possible problems during maintenance GA?
Colicking horses- painful hypovolaemia, distended abdomen, possible electrolye disturbances
Maintenance GA- always inhalational, likely with analgesic reducing MAC
Problems- gastric reflux
You are called out to a horse with a blepharospasm (clamped eyelids shut)
What nerve block do you need to perform?
If the horse had a foreign body in its cornea what nerve block should be performed for analgesia of the cornea?
Blepharospasm- left palpebral block
Foreign body in the cornea- topical local anaesthetic
You need to suture the upper eyelid in a horses eyelid under sedation what nerve blocks and why?
Right palpebral- motor upper eyelid
Right supraorbital/frontal- sensory
What nerve blocks need to be done to suture a horses upper eyelid?
Zygomatic
You need to remove the 3rd eyelid of a horse what nerve block is needed?
Right infratrochlear
What nerve blocks would be used for a standing enucleation?
Palpebral, supraorbital, lacrimal, infratrochlear, zygomatic, retrobulbar
What nerve block would be needed to perform surgery on a fractured mandible in a horse?
Bilateral mental block
What is headshaking and why could a nerve block help with diagnosis?
What nerve block could you perform?
Headshaking is a syndrome where horses violently and uncontrollably shake their heads
One suspected cause is hypersensitivity of nerve endings in the nostrils to allergens
Bilateral infraorbital
What nerve block would be used to facilitate the extraction of an upper right cheek tooth?
Right maxillary
What nerve blocks would be used to remove perineal melanomas?
What drugs would you use?
Caudal epi(extra)dural
Local anaesthetics- mepivacaine