Exam 2 Flashcards
What do you fill the abdomen with when performing abdominal laproscopy?
CO2
What knot is used for laproscopic ligatures?
roeder knot
Equine Sarcoid: Etiology
Papova virus
Equine Sarcoid: Forms
verrucuous, fibroblastic, mixed, occult
Verrucous Sarcoid: Appearance
warty, dry scaly, can -> fibroblastic
Fibroblastic Sarcoid: Appearance
proud flesh like, hard fibrous, ulcerated
Occult Sarcoid: Appearance
inflammatory nodules
Equine Sarcoid: Tx
benign neglect (not impeding, uncomfortable) sx exicision
Equine Sarcoid: Recovery Time Post-op
~2.5mo
What type of skin flap is used when excising Melanomas?
H-plasty
When are supernumerary teats removed?
6mo
Theloscopy: Definition
scoping the teat
Teat Obstruction: Examples
annular ring obstruction, fibrosis, papilloma, calculus, sphincter injury, black spot
What tools are used to enlarge the teat canal?
Lichty Teat Knife, spiral teat curette
Lichty Teat Knife: Procedure
incise teat canal every 90 degrees until normal milk flow
What instruments are used for Teat Internal Mass removal?
hugs teat tumor extractor, cornell teat currette
What chemical is used to destroy one quarter of the udder?
100cc 10% formaldehyde in 500cc saline, 100cc 3% silver nitrate
Teat Fistula: Definition
full thickness teat laceration
Thelotomy: Definition
opening the teat cistern
Teat Implant: Material
silastic tubing
Teat Implant: Indications
teat fistula, membrane between gland and cistern
Mastectomy: Indication
chronic/severe mastitis
T/F: There is plenty of loose skin for closing a mastectomy.
False
preserve as much skin as possible
Cattle Lameness: Signs
hunched back, unequal limb stiffness, head bob, hooves not tracking
Cattle Hoof Trim: Measurments
Sole Thickness: 5-7mm
Hoof Wall Length: 3in
Cattle Laminitis: Etiologies
high concentrate diet, mastitis
Cattle Laminitis: Signs
cross legged stance
Cattle Laminitis: Tx
NSAIDs, hoof trim, diet change, good husbandry
Cattle: Vertical Crack - Etiology
dry hoof wall
Cattle: Vertical Crack - Tx
debride, block good digit
Corn: Definition
interdigital fibroma
Corn: Appearance
growth between digits, poss. ulceration
Corn: Tx
hoof trim, sx removal
T/F: When removing a corn it is ok to remove the tourniquet before placing the bandage.
False
the incision will bleed profusely
Papillomatous Digital Dermatitis: Appearance
cauliflower like (hairy foot wart)
Papillomatous Digital Dermatitis: Tx
topical antibiotics
Sole Abscess: Cattle - Tx
drain, debride, block good digit (2nd intention healing)
Sole Abscess: Equine - Tx
drain, debride (leave hoof wall), soak until open, bandage
Septic Arthritis: Etiology
trauma, hematogenous, iatrogenic
Septic Arthritis: Foal Types
S - synovial membrane/fluid, less than 1wk
E - epiphysis, wks old
P - physis, wks-mo
Type S Arthritis: Signs
swollen joints, acute
Type E Arthritis: Signs
intermittent lameness, poss. fever, then effusion
Type P Arthritis: Signs
periarticular swelling w/o effusion
T/F: If the joint is open (involved) it is likely to be infected.
True
Septic Arthritis: Adult Signs
acute, synovial effusion
Septic Arthritis: Dx
culture, signs, cytology, DI
Septic Arthritis: Equine Tx
broad spectrum antibiotics, LAVAGE (5-10L) under sedation w/ LRS, intra-articular injections
T/F: Injecting multiple joints intra-articularly w/ antibiotics can exceed systemic dose.
True
Septic Arthritis: Bovine Tx
digit amputation, arthrodesis
Where is the toe amputated in Cattle?
oblique cut through middle of P1
How long is a bovine good for after an amputation?
2yr
Stapelers: Types
GIA/ILA, TA, LDS, EEA, skin
GIA/ILA: Funtion
bulk ligation, GI anastomosis
GIA: Appearance
2 interlocking pieces, straight mouth
TA: Function
bulk ligation (for resection or closure)
LDS: Appearance
short barrel ray gun
LDS: Function
small ligation
EEZ: Appearance
long barrel ray gun
Angular Deformities: Types
Valgus - lat. deviation of hoof
Varus - Med. deviatin of hoof
Angular Deformities: Etiologies
periarticular laxity, incomplete ossification, physial trauma
Angular Deformities: Dx
observation, limb manipulation, rads
How do you find the Pivot Point?
draw straight line through middle of long bones, where they intersect is the pivot point
Angular Deformities: Tx
stall rest, therapuetic hoof trim/shoeing, external support, sx
Angular Deformities: Sx Options
HCPTE - growth promotion by striping periostium
TTP - growth retardation by placing screws and wires
corrective osteoectomy
Flexural Deformities: Definition
hyperflexion of a limb from musculotendinous origins
Flexural Deformities: Tx
exercise, external correction, digital flexor tenotomy, amputation, superior check ligament desmotomy,
Bone Spavin: Definition
djd of distal tarsal and TMT joints
Sickle Hocked: Definition
hoof deviated cranially
Cow Hocked: Definition
tarsus rotated medially
Bone Spavin: Grades
1 - very small osteophyte distolateral to central tarsal bone
2 - small osteophyte proxodorsolateral to MT3 bone
3 - medium osteophyte distomedial to central tarsal bone
4 - large osteophyte proxodorsolateral to MT3 bone
Bone Spavin: Etiologies
chronic, repetitive compression, torsion, and shear strains
Bone Spavin: Medical Tx
intr-articular steroids, phenylbutazone, exercise
Bone Spavin: Sx Tx
arthrodesis;
mechanical - drill out cartilage in 3 directions, 30 deg. from each other
chemical - 70% ethanol
P1 Fracture: Etiology
torsion w/ axial wt bearing
P1 Fracture: Tx
internal fixation
Splint Bone Fracture: Etiology
hyperextension of the fetlock, trauma
Splint Bone Fractures: Tx
Proximal - internal fixation, debride + wound management
segmental ostectomy, distal removal (less than 2/3 of bone),
Distal - sx removal
T/F: You should remove splint bone plates 6-8mo post-op.
false
you should remove them 3-4mo post-op
Splint Exostosis: Definition
proliferative periostitis of splint bone
Splint Exostosis: Etiology
trauma, ligamentous inflammation
Splint Exostosis: Tx
conservative - rest, NSAIDs
Sx removal
Stress Fractures: Location
MC3
Stress Fractures: Etiology
long distance training
Stress Fractures: Medical Tx
rest, NSAIDs, reduce exercise, radiographic monitoring
Stress Fractures: Sx Tx
osteostixis
Proximal Sesamoid Bone Fracture: Locations
apex, mid-body, base, abaxial, axial, comminuted
Proximal Sesamoid Bone Fracture: Etiology
excessive tension from suspensory, trauma
Proximal Sesamoid Bone Fracture: Tx
sx removal (up to 1/3), screws
Condylar Fractures: Etiology
high compressive load, asynchronous longitudinal rotation of the cannon bone
Condylar Fractures: Tx
internal fixation w/ lag screws
Ulnar Fracture: Signs
dropped elbow w/ flexed carpus
Ulnar Fracture: 1st Aid
Bandage and palmar splint w/ carpus in extension
T/F: If the horse is > 1yr old you can engage the radius with ulnar fracture repair.
True
Proximal Salter-Harris Tibial Fracture: Tx
external coaptation w/ Thomas-Schroeder
What is the Tx for a Comminuted Humeral Fracture in Cattle?
stall rest for 2-3mo