wk 12 Flashcards
What makes up an abscess?
immune system doesn’t clear bacterial infection so the wound becomes a collection of inflammatory cells, bacteria, and damaged tissue
What are cat bites more prone to causing?
cats carry pasteurella spp which causes abscesses
What injuries can be caused by bite wounds?
- thoracic wounds
- puncture of chest cavity
- pneumothorax
- collapsed lung
- abdominal wounds
- organ injury - peritonitis
Describe the surgical prep for an abscess or bite wound.
- clip large area (5-15 cm) around wound
- use sterile lube in wound to prevent contamination with hair when clipped
How are wounds & abscess treated? Why is hydrogen peroxide no longer recommended?
- open (Penrose drain), drained, and probed to remove foreign body or hair
- flushed
- antibiotics or analgesics
- hydrogen peroxide irritates tissues delaying healing time
Why are drains used?
to prevent build up - allows fluids to exit
What is the common locations for a dental abscess? How does it appear?
carnassial tooth; appears in draining tract under eye as large bump
Describe the surgical prep for a dental abscess.
- clip draining area around abscess (5-15 cm)
- antiseptic
How is a dental abscess treated?
- extraction
- pack open wound with sterile gauze
- antibiotics
5 common hernias
- umbilical
- scrotal
- inguinal
- perineal
- diaphragmatic
Describe the surgical prep for a hernia.
- clip area around hernia (5-15 cm)
- surgical scrub
How are hernias treated?
tissues returned back to proper location and sutured
What is an onychectomy? What is removed?
declawing; entire nail and 3rd phalanx
Describe the surgical prep for a onychectomy.
- soak feet in alcohol or cleaned
- don’t need to be clipped
- tourniquet above elbow or knee joint
What are three methods for performing an onychectomy? What is the advantage of a CO2 laser?
- resco nail trimmer and blade
- disarticulation
- laser: vaporizes cells to seal blood and nerve endings for less pain and bleeding
Give 2 ways to close the incisions of an onychectomy.
suture or skin glue
Describe the post-op instructions for an onychectomy. What kind of litter is used?
- hospitalize
- analgesics and antibiotics
- bandage feet tight for one day
- shredded paper in litter for 7 days (dust free type)
What is an aural hematoma? What causes an aural hematoma?
collection of blood between skin and ear cartilage involving the pinna; self trauma and head shaking, ear infections, ear mites, or accident
Describe the surgical prep for an aural hematoma surgery.
- clean inside of ear and pack with cotton
- clip entire ear
- surgical scrub on entire ear
How is an aural hematoma treated? Where is the incision made?
- incision on underside of pinna to drain fluid and remove clots
- flush incision
- suture
What are the post-op instructions for a aural hematoma?
- tape ear over head to prevent head shaking and self trauma
What is a lateral ear resection? Why is it performed?
removal of vertical portion of ear canal including any cartilage down to plane even with the horizontal canal - for chronic ear infections
Describe the surgical prep for a lateral ear resection.
- clean inside of ear and pack with cotton
- clip lateral ear canal below opening of ear
- surgical scrub
What are the post-op instructions for lateral ear resection?
- bandage for first few days
- elizabethan collar
- clean ear daily
- topical antibiotics and ear medications
- analgesics
What is an ear crop? Why is it performed? What breeds it is performed on?
surgical removal of part of the ears for cosmetic appearance - boxers, Bostons, Great Danes, dobermans
Describe the surgical prep for an ear crop.
- clip the entire ear
- surgical scrub
- pack ear canal with cotton