head and thorax Flashcards
t.f Surgeries of the head and thorax are sometimes seldom performed
t
is essential in order to promote recovery of the animal
asepsis
technique: age __
-Caustic compounds - __ old
-Disbudding iron – ___weeks old
<1 week
1-2 weeks
dehorning technique for 1-4 months
Barnes dehorner,
Roberts dehorning trephine with disbudding iron
age for embryo wire and dehorning saw use
older animals
analgesia for disbudding and dehorning
Cornual nerve block & Ring block
analgesia for disbudding iron
cornual nerve block
Hot iron is rotated as it burns the skin technique
disbudding iron
technique that scoops out the bud
robert’s dehorning trephine
-Dehorning animals __ months results in an open frontal sinus
> 6
Sawing generates heat to has a lot haemorrhage
minimize
position and restraint for dehorning
standing
physical and chemical
possible complication for dehorning
sinusitis
Trephination of the Frontal Sinus Indications:
chronic epyema
Trephination of the Frontal Sinus analgesia
cornual nerve block and sedation
Trephination of the Frontal Sinus: -drain the sinus by trephining __cm from the midline on a line passing through the center of the__
2
orbits
Indication: Vices of housed animals (Sucking themselves or others)
Lingual mucosa resection
analgesia type and position for lingual mucosa resection
sedation
lateral recumbency
lingual mucosa resection:
Technique:
- _____ on tip of tongue
-Apply torniquet on the __
-Submucosal infiltration with local analgesic -Make an___ incision a few cm caudal to the tip of the tongue until just cranial to the tip of the__
-It is important that sufficient mucosa is excised so that a ___ shape of the dorsum of the tongue is produced after suturing
appose wound edges using what suture and material?
-Sutures must include __ and __ to prevent tearing of the tissue by the sutures
Sponge forceps
base
elliptical
frenulum
convex
simple interrupted sutures (synthetic absorbable suture
mucosa and muscle
how many mL Ophthalmic nerve and retrobulbar anesthesia
20-30 mL
preferred anesthesia for eye enucleation
GA
needle used for Auriculopalbebral block
18G 15cm curved
20G small rumi
Local infiltration anesthesia eye extirpation
(Auriculopalbebral block) of the lower eyelid & medial canthus
type of retrobulbar block in sheep and cattle
2 point, 4 point
eye enucleation includes the ff strucutres
-globe
-bulbar & palpebral conjunctiva
-nictitating membrane
-lacrimal gland
eyelid suture pattern
interrupted
after eye enucleation, ___ is produced several months after surgery
Artificial ankyloblepharon
rib resection and pericardiotomy indication
To treat traumatic reticulopericarditis = considered a salvage operation (to “buy time”)
pre-op antibiotics for rib resection and pericardiotomy
antibiotics (usually against A. pyogenes
local anesthesia for technique for Rib Resection and Pericardiotomy
line block
Rib Resection and Pericardiotomy position patient
Right lateral recumbency (better if with 30 to 40°tilt) – to allow drainage
in Rib Resection and Pericardiotomy, what muscles are incised to expose the ribs
latissimus dorsi and serratus ventralis
how wide should the rib be exposed for the wiere to be inserted under rib
12-14 cm
The rib is transected ventrally and is grasped and broken at the costochondral junction
false dorsally
to avoid opening the pleural cavity, suture the __,__ and __together with no. 2 chromic catgut in a ___ pattern prior to opening the pleura
periosteum, parietal pleura, and the pericardium
simple continuous
ideal time for disbudding
1-4 mos
runs above supraoribital process
infratrochlear
found below infratrochlear process
lacrimal nerve
chronic empyema confined to ___ part but may involve entire sinus
caudal
reflex inhibited for auriculo palpebral NB
palpebrral reflex
in rib resection, what part is incised and reflected from the rib
periosteum
