wk 12 Flashcards

1
Q

What makes up an abscess?

A

immune system doesn’t clear bacterial infection so the wound becomes a collection of inflammatory cells, bacteria, and damaged tissue

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2
Q

What are cat bites more prone to causing?

A

cats carry pasteurella spp which causes abscesses

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3
Q

What injuries can be caused by bite wounds?

A
  • thoracic wounds
  • puncture of chest cavity
  • pneumothorax
  • collapsed lung
  • abdominal wounds
  • organ injury - peritonitis
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4
Q

Describe the surgical prep for an abscess or bite wound.

A
  • clip large area (5-15 cm) around wound
  • use sterile lube in wound to prevent contamination with hair when clipped
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5
Q

How are wounds & abscess treated? Why is hydrogen peroxide no longer recommended?

A
  • open (Penrose drain), drained, and probed to remove foreign body or hair
  • flushed
  • antibiotics or analgesics
  • hydrogen peroxide irritates tissues delaying healing time
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6
Q

Why are drains used?

A

to prevent build up - allows fluids to exit

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7
Q

What is the common locations for a dental abscess? How does it appear?

A

carnassial tooth; appears in draining tract under eye as large bump

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8
Q

Describe the surgical prep for a dental abscess.

A
  • clip draining area around abscess (5-15 cm)
  • antiseptic
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9
Q

How is a dental abscess treated?

A
  • extraction
  • pack open wound with sterile gauze
  • antibiotics
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10
Q

5 common hernias

A
  • umbilical
  • scrotal
  • inguinal
  • perineal
  • diaphragmatic
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11
Q

Describe the surgical prep for a hernia.

A
  • clip area around hernia (5-15 cm)
  • surgical scrub
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12
Q

How are hernias treated?

A

tissues returned back to proper location and sutured

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13
Q

What is an onychectomy? What is removed?

A

declawing; entire nail and 3rd phalanx

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14
Q

Describe the surgical prep for a onychectomy.

A
  • soak feet in alcohol or cleaned
  • don’t need to be clipped
  • tourniquet above elbow or knee joint
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15
Q

What are three methods for performing an onychectomy? What is the advantage of a CO2 laser?

A
  • resco nail trimmer and blade
  • disarticulation
  • laser: vaporizes cells to seal blood and nerve endings for less pain and bleeding
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16
Q

Give 2 ways to close the incisions of an onychectomy.

A

suture or skin glue

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17
Q

Describe the post-op instructions for an onychectomy. What kind of litter is used?

A
  • hospitalize
  • analgesics and antibiotics
  • bandage feet tight for one day
  • shredded paper in litter for 7 days (dust free type)
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18
Q

What is an aural hematoma? What causes an aural hematoma?

A

collection of blood between skin and ear cartilage involving the pinna; self trauma and head shaking, ear infections, ear mites, or accident

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19
Q

Describe the surgical prep for an aural hematoma surgery.

A
  • clean inside of ear and pack with cotton
  • clip entire ear
  • surgical scrub on entire ear
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20
Q

How is an aural hematoma treated? Where is the incision made?

A
  • incision on underside of pinna to drain fluid and remove clots
  • flush incision
  • suture
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21
Q

What are the post-op instructions for a aural hematoma?

A
  • tape ear over head to prevent head shaking and self trauma
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22
Q

What is a lateral ear resection? Why is it performed?

A

removal of vertical portion of ear canal including any cartilage down to plane even with the horizontal canal - for chronic ear infections

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23
Q

Describe the surgical prep for a lateral ear resection.

A
  • clean inside of ear and pack with cotton
  • clip lateral ear canal below opening of ear
  • surgical scrub
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24
Q

What are the post-op instructions for lateral ear resection?

A
  • bandage for first few days
  • elizabethan collar
  • clean ear daily
  • topical antibiotics and ear medications
  • analgesics
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25
Q

What is an ear crop? Why is it performed? What breeds it is performed on?

A

surgical removal of part of the ears for cosmetic appearance - boxers, Bostons, Great Danes, dobermans

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26
Q

Describe the surgical prep for an ear crop.

A
  • clip the entire ear
  • surgical scrub
  • pack ear canal with cotton
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27
Q

What special instruments are needed for ear crop?

A

scissors and ear forms

28
Q

What are the post-op instructions for an ear crop?

A
  • tape up ears and prevent self mutilation
29
Q

What procedure is a cystotomy?

A
  • ventral midline incision into abdominal cavity
  • bladder is exteriorized
30
Q

Where is the incision made for a cystotomy?

A
  • dorsal surface of bladder
31
Q

List 3 indications for a cystotomy.

A
  • removal of cystic calculi
  • removal of tumors
  • evaluation of bladder mucosa biopsy
32
Q

Describe the surgical prep/landmarks for a cystotomy.

A
  • clip from xiphoid to pelvic inlet and 1 inch lateral to nipples
  • surgical scrub
33
Q

What special instruments are used in a cystotomy?

A
  • urinary catheter
  • moist gauze sponges
34
Q

Discuss post-op instructions for a cystotomy.

A
  • antibiotics
  • urinary diet
  • e-collar
35
Q

What is a perineal uresthrostomy (PU)? When is it performed?

A

surgical removal of the feline penis and widening the urethra to remove the narrow portion and expose the widest point (remove penis and make new opening) - when cats have repeated urinary tract obstructions

36
Q

Describe the surgical prep/landmarks for a PU?

A
  • entire perineal area and proximal rear limbs
  • surgical scrub
37
Q

What special instruments are used for a PU?

A
  • small iris scissors
  • urinary catheter
38
Q

How can horses be positioned for a castration (list 3)?

A
  • lateral recumbency
  • dorsal recumbency
  • standing
39
Q

Where are the incisions made for an equine castration?

A

ventral scrotum

40
Q

What special piece of equipment/instrument is used for equine castration?

A
  • rope to tie up leg
  • emasculator
  • possible suture
41
Q

Give 4 indications for an equine castration.

A
  • will not use for breeding
  • prevent stallion like behavior
  • improve behavior
  • ability to turn geldings out with mare
42
Q

What type of anesthesia is used for equine castrations?

A

general anesthesia

43
Q

Describe the surgical prep for an equine castration.

A
  • no clipping
  • betadine scrub over scrotum
44
Q

What is also commonly performed during an equine castration?

A

wolf teeth may also be removed while horse is under

45
Q

Discuss the post-op instructions of an equine castration.

A
  • systemic analgesics and antibiotics
  • stall rest night of and hand walk daily to reduce swelling
46
Q

Why is tetanus prophylaxis (vaccination) important in an equine castration?

A

horses are very prone to tetanus

47
Q

What is the difference between tetanus antitoxin and tetanus toxoid.

A

antitoxin has a short duration of effectiveness and toxoid lasts longer

48
Q

What is the Henderson tool used for equine castration? What are the advantages of this tool?

A

minimizes blood loss and risk of hemorrhage

49
Q

What is occurring during the Caslick’s procedure?

A

suturing of the labial margins of the vulva in the mare

50
Q

Why is a Caslick’s procedure performed?

A
  • poor perineal conformation
  • prevents aspiration of air and feces into vagina
51
Q

Describe the surgical prep for a Caslick’s procedure.

A
  • wrap tail
  • surgical scrub and prep to vaginal area
52
Q

What must be done prior to foaling in a mare with a Caslick’s?

A

it must be opened

53
Q

Define colic. What is the name of the surgery used in some colicy horses?

A

pain in the abdomen; exploratory laparotomy

54
Q

Why is colic surgery performed?

A
  • unrelenting abdominal pain
  • torsion, volvulus, intussusception, adhesions, impactions, obstructions
55
Q

What is the surgical prep for a colic surgery?

A

surgical scrub on entire abdomen

56
Q

Discuss post-operative instruction for colic surgery.

A
  • tetanus prophylaxis
  • NPO
  • IV fluids
  • antibiotics
  • analgesics
57
Q

Where is the abomasum of the cow normally located?

A

right side; ventral at 7-11th ribs

58
Q

What happens to the abomasum when it displaces?

A

moves under rumen to left flank

59
Q

What does LDA stand for? Why is surgery performed?

A

left displaced abomasum; fills with gas

60
Q

What is an abomasalpexy?

A

abomasum is sutured to abdominal wall to prevent recurrence

61
Q

Describe the surgical prep/landmarks for an LDA.

A
  • right side-hands width behind last rib
  • clip from last rib to tip of ilium
  • dorsally to wing of lumbar vertebrae to ventral midline
62
Q

What special instruments are used for an LDA?

A

long tubing with attached needle to deflate the abomasum gas prior to repositioning

63
Q

How is a bovine C-section performed

A

standing or dorsal recumbency

64
Q

Why is a bovine C-section performed?

A

when female is unable to give birth normally

65
Q

Describe the surgical prep/landmarks for a standing C-Section and dorsal recumbent C-section.

A
  • clip flank from ribs to tip of ilium and dorsal to ventral midline
  • surgical scrub
  • entire ventral abdomen prepped
66
Q

What are the post-op instruction for a bovine C-Section?

A
  • antibiotics
  • keep animal quiet
  • calf nurses for beef animals