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Tech Skills > Suturing and wound healing > Flashcards

Suturing and wound healing Flashcards

1
Q

indications for suturing (5)

A
  • decr healing time
  • reduce likelihood of infection
  • decr scar tissue
  • repair loss of strucutre/function
  • improve cosmetic appearance
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2
Q

contra for suturing (3)

A
  • wound has been opened past time frame of closure
  • presence of FB
  • extensive wounds: involve tendons, nerves, arteries

**technically no absolute contraindications but should be carefully considered

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3
Q

potential complications from suturing/wound closure (6)

A
  • infection
  • scarring— keloids
  • loss of structure/function
  • loss of cosmetically desired apperance
  • wound dehiscence
  • tetanus
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4
Q

epidermis is how thick

A

0.5-1.5 mm

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5
Q

dermis is how thick

A

2 mm

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6
Q

scubcu fat is best for

A

inject local anesthetic

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7
Q

deep fascia

A

thick layer above the muscle bone and tendons

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8
Q

1 inch = how many cm

1 cm = how many mm

A

1 inch = 2.5 cm

1 cm=10 mm

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9
Q

how deep is a laceration needing suturing

A

extends deep into subcuatneous tissue–may need 2 layers of suturing

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10
Q

does injury to fascia need repair?

A

yes

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11
Q

skin tension lines

A

langer lines

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12
Q

lacerations that are ______ to the langer lines approxximate well

A

parallel will approximate well

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13
Q

lacerations that are ____ to langer lines will gape apart

A

perpendicular

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14
Q

primary intention wound closure

A

clean wounds

minimal scarring

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15
Q

secondary intention

A

heal on its own or only deep layer closed— allow irrigation and packing
-prolonged process— leaves wide scar

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16
Q

third intention (delayed primary)

A

deep layer closed–checked in 4-5 days– if clean will close wound
-arise from contaminated wounds

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17
Q

good locations to use absorbable suture

A

mouth
tongue
subcutaneous
surgery

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18
Q

types of absorbable suturing

A
  • chromic gut
  • VICRYL***** –>braided synthetic
  • monocril—monofilament synthetic
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19
Q

types of non-absorbable suture (3)

A

polyporpyele

Silk

Nylon–MC

20
Q

silk suture indications

A

secure chest tube

central line

21
Q

which suture passes through tissue more easily

A

monofilament

22
Q

which suture has the most tensile strength

A

multifilament

23
Q

which suture has better flexibility

A

multifilament

24
Q

which suture can harbor more infeections

A

multifilament bc of the braid

25
Q

larger the number, the _____ the thread

A

smaller

6-0 < 3-0

26
Q

size suture to use on

  • scalp
  • face
  • trunk
  • extremities
  • digits
A

scalp= 3-0 or 4-0

face= 6-0

trunk= 4-0

extremities = 4-0

digits= 5-0

27
Q

tripod grip

A

1st and 4th fingers

28
Q

what angle to cut

A

45 degree

29
Q

verticle mattress stich

-inds

A

far-far/ near-near
2nd mC suture

INDS: used to close deeper wounds (superficial and deep)
-done to eliminate dead space

30
Q

2nd mc suture?

A

vertical mattress sittch

31
Q

horizontal mattress stitch

A

looks like a box

knot is brought down parallel

32
Q

tetanus shot is given every?

A

10 years

33
Q

tatanus shot is given ___ yrs if dirty wound

A

5 years

34
Q

is tetanus ok in pregn?

A

yes

35
Q

tetanus prone wound?

A 
>6 hrs 
>1 cm deep 
avulsion 
contaminated 
GSW 
step on nail
36
Q

how to irrigate, debride wound

A

30-60 ml syringe with splash guard

37
Q

local anesthesia drug class?
concentrations
onset
doa

A

LIDOCAINE

class: -amide
concentrations: 0.5, 1, 2
onset: rapid
doa: 20-120 min

38
Q

absolute contra to epinephrine

A
  • uncontrolled HTN
  • severe CAD
  • narrow-angle glaucoma
39
Q

why do we use epipehrine

A

controls bleeding

40
Q

what can we add to minimize burning sensation

A

sodim biacrb

41
Q

where can NOT use epi

A 
digits 
tip of nose 
penis
pinna of ear 
***necrosis****
42
Q

local block

  • how to inject
  • layers of skin
  • when do u stop injecting
A

inject directly

  • between the dermins + subcutaneous tisue
  • continue until all around edges are raised
43
Q

digital block indications

A
  • used for nail avulsion
  • drainage of parynoychia
  • lac of digits
44
Q

three other ways to close wound that arent suturing

A

skin stapler
dermabond
steristrips or butterfly stiches

45
Q

after how many days do you remove sutures/staples on:

  • scalp
  • face
  • hands
  • extrems/trunk
A

Scalp= 7-10 days

face= 4-5 days

hands=7-10 days

extrems/trunk=10-14 days

46
Q

lining on top of the lip?

A

vermilion border

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