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Equine > Skin 1 > Flashcards

Skin 1 Flashcards

1
Q

3 categories of wound healing

A

infl./debridement
repair
maturation

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2
Q

how does wound change during infl. phase. what is our goal?

A

increase in size, hot/swollen/red.

minimize duration via effective debridement.

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3
Q

which phase does granulation tissue form

A

repair

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4
Q

our goal of repair stage?

A

enable granulation tissue to cover by providing moist/hypoxic env. (bandage)

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5
Q

what is our goal during maturation?

A

allow epithelial cells to migrate across wound via minimizing destruction and distance

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6
Q

sedation for wound management

A

a2 agonist + opioid

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7
Q

analgesia for wound management

A

NSAID + local/epidural

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8
Q

how to clean wound?

A
  1. cover in water-soluble lubricating gel
  2. clip hair
  3. clean edges w chlorhex
  4. lavage w fluids
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9
Q

after cleaning/prepping wound, you can palpate/probe. what’re some reasons to use US?

A

rule out tendon/ligament involvement, find FB, abscess, gas (clostridia), fractures, positive contrast study.

Can add doppler to assess blood flow

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10
Q

uses for radiography

A

sequestrum (non-healing bone)
pneumothorax

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11
Q

if a wound is over a synovial structure, what should you do?

A

synoviocentesis

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12
Q

synoviocentesis: WBC should be < ____ cells/uL. TP should be less than ___g/dL.

A

500
2.5

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13
Q

synoviocentesis: WBC >____ cells/uL indicate sepsis. TP greater than ___g/dL.

A

30k
4

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14
Q

what to do for infected wound

A

C&S from primary site of infection (not exudate coming out)

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15
Q

what is a sarcoid

A

chronic wound thats undergone tumor formation

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16
Q

types of debridement

A

mechanical (surgical)
autolytic (dressings)
biosurgical (maggots)

17
Q

how to sx debride

A

start from bottom using scalpel. only remove if devitalized (can keep flaps)

18
Q

what is the problem with wet-to-dry mechanical debrdiement

A

non-selective for devitalized tissues

19
Q

is autolytic debridement selective

A

yes: festering in moist environment allows for phagocytosis of necrotic tissue, its not adhesive

20
Q

what do greenbottle fly larva (maggots) secrete

A

proteolytic enzymes

21
Q

most common bact for subq wounds? which AB?

A

Staph – start w penicillin while waiting on C&S

22
Q

most common bacteria for synovial/bone wounds? which AB?

A

strep + staph polymicrobial – use beta lactam AB + aminoglycoside

23
Q

what AB for clostridia?

A

[high dose] penicillin + metro

24
Q

when to stop AB

A

no longer clincial/microbio evidence of infection

25
Q

passive drains

A

rely in gravity
place at most distal area of dead space

26
Q

active drain

A

uses negative pressure to pull from wound

27
Q

delayed primary closoure is __d after wound

A

1-3
(can reduce bact burden)

28
Q

goals of bandaging

A

Minimize edema
Absorb exudate
Maintain temp/moisture
Immobilize
Protect from contamination/trauma

29
Q

fxns of secondary layer of bandaage

A

padding
absorb exudate

30
Q

4 types of primary dressings

A
  1. debridement
  2. moistening (facilitate autolytic)
  3. granulation/wound contraction
  4. epithelialization (increase surface temp)
31
Q

give an example of debridement dressing

A

manuka honey
hypertonic saline

32
Q

give an example of moistening dressing

A

hydrogel

33
Q

give an example of granulation dressing

A

Calcium alginate

34
Q

give an example of epithelialization dressing

A

Allevyn

35
Q

risk factors for exuberant granulation tissue

A

High motion areas
Large breeds
Chronic/FB
Bandaging
Tumor transformation

36
Q

when surgically excising exuberant granulation tissue, do you need to use a local

A

no bc not innervated

37
Q

how to decrease distance epithelial cells have to migrate

A

skin graft: pinch, punch, mesh graphs

Equine (38 decks)

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