SX of Head & Thorax Flashcards
T/F: head and thorax sx are often performed
F - seldom
_________________ is essential to promote recovery of animal
asepsis
disbudding and dehorning indications
- improve stocking density (stocking management)
- prevent injury to vet, herdsman, other animals (udder, skin trauma, horns [fractures])
disbudding and dehorning technique:
1. caustic compound = ______ w/o
2. disbudding iron = ______w/o
3. Barnes dehorner, Roberts dehorning trephine w/ disbudding iron = _______ m
4. embryo wire, dehorning saw =
- <1 w/o
- 1-2 w/o
- 1-4 m
- older
analgesia for disbudding and dehorning
cornual nerve block and ring block
T/F: disbudding caustic compounds (_________________) are encouraged
F - discouraged
NaOH, KOH
best technique for disbudding
use of disbudding iron
dehorning animals _________ m results in an ___________________
- 6 m
- open frontal sinus
dehorning materials
saws, shears, wire
dehorning animal position
standing
dehorning analgesia
physical and chem restraint
T/F: dehorning includes 1 cm of skin around the base of horn
T
T/F: sawing generates heat to minimize hemorrhage
T
materials that can be used in dehorning goats
embryotomy wire or dehorning saw
dehorning complications
sinusitis (rare in cattle)
indicated for chronic empyema
trephination of frontal sinus
due to infxn of the sinus after dehorning or fracture
chronic empyema
trephination analgesia
cornual, sedation
trephination is performed by ____________________
rotating the trephine
indicated for vices of housed animals (sucking)
lingual mucosa resection
lingual mucosa resec analgesia
sedation
lingual mucosa recumbency
lateral recumbency
in lingual mucosa resec, make an _____________ incision a few cm caudal to the tip of the tongue until just cranial to the tip of frenulum
elliptical
closing suture pattern for lingual mucosa resec
SI sutures (absorbable)
after performing lingual mucosa resec, water should be given after ______________
12-24 hr
eye enucleation (extirpation/exenteration) indi
- eyelid or eyeball neoplasia (SCC)
- gross injuries of eyeball (rupture)
- panophthalmitis (IKC)
eye enucleation analgesia
- GA (preferred)
- ophthalmic nerve and retrobulbar anesth (20-30 mL; 18G 15 cm curved)
- local infiltration anesth (auricopalpebral block)
eye enucleation position
recumbent
structures involved in eye enucleation
globe
bulbar and palpebral conjuctiva
nictitating membrane
lacrimal gland
eyelid suture pattern
SI, open medially for gauze drain
_______________________ is produced several months after eye enucleation
artificial ankyloblepharon
rib resec and pericardiotomy indi
treat traumatic reticulopericarditis (a salvage op)
rib resec and pericardiotomy prognosis
poor
pre-op antibiotics for rib resec and pericardiotomy
against A. pyogenes (penicillin)
analgesia for rib resec+
local anesth (line block)
position for rib resec+
right lateral recumbency (30-40 degrees tilt to allow better drainage)
T/F: rib resec+ operating time should be kept to an absolute minimum
T
in rib resec+, ____________ and _________ mm. are incised to expose the rib
latissimus dorsi and serratus ventralis
in rib resec+, it is inserted to expose 12-14 cm of the rib
wire saw (Gigli or obstetric)
T/F: initial opening of pleura should be ___________ because a sudden influx of air may cause ________________
- small
- respiratory distress
in alternative technique for rib resec+, what suture mat and pattern
2 chromic catgut in SI pattern
T/F: in rib resec+, wound can be closed
T - can also left open
