Burns- Ross Flashcards

1
Q

List the layers of skin in order of superficial to deep

A

epidermis, dermis and subcutaneous

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2
Q

Taking a burn Pt’s hx:

-severity of burn depends on _______

A

Extent depth, location
Age of patient

Type of agent: flash or immersion

  • Presence or possibility of inhalation burn
  • coexisting injury
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3
Q

A burn is classified into these categories: ________

A

first, second superficial/deep and third degree

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4
Q

First degree burn:
-includes which skin layer?
provide an example

A

superficial epidermis*
-ex: sunburn
(minor damage to epidermis, red/painful, heals in several days)

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5
Q

2nd degree burn=

A

superficial partial thickness***

  • blistered**
  • red associated blisters

can also be DEEP partial thickness–> more pink/white thick skin texture

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6
Q

2nd degree burns heal within: _____ weeks

A

3-6 weeks, can form hypertrophic scars

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7
Q

3rd degree is considered a _____ burn

A

MAJOR burn regardless of size

-NO sensation, NO spont. healing

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8
Q

If a burn involves bone, tendon, or underlying tissue it’s considered a ____

A

4th degree burn

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9
Q

A commonly used rule to quantify the amount a person is burned=

A

Rule of nines

–The size of a burn can be quickly estimated by using the “rule of nines.” This method divides the body’s surface area into percentages. The front and back of the head and neck equal 9% of the body’s surface area. The front and back of each arm and hand equal 9% of the body’s surface area.

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10
Q

zone of coagulation=

A

dead tissue

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11
Q

zone of stasis=

A

blood flow is impaired potential for cell death

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12
Q

zone of hyperemia=

A

inflamed tissue around the border

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13
Q

The best first treatment for any burn=

A

?–> cool water/drape

DONT USE ICE!

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14
Q

First degree or partial thickness second degree tx

A
  • home and ED tx overlap
  • cooling (room temp) is beneficial for small burns if started immediately and continued for the first few hours. (decreases thromboxane formation)

-remove jewelry and clothing
dressing

-tetanus burn wounds are prone

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15
Q

Treatment of second degree full thickness (20% BSA) and third degree=

A

IVF

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16
Q

The fluid of choice and the amount given to treat burn patients (2nd or 3rd degree) =

A
  • *lactated ringers, and parkland formula –> 2ml x body weight (kg) x % burn
  • -> give half in 8 hours, then the rest over the next 16
17
Q

For Immediate wound care for blisters is to do this

A

If treated < 48 hours after burn–> leave intact blisters alone

-If already ruptured debride

7 days after burn–> debride all blisters completely

18
Q

The correct order for dressing a burn is:

A

clean/cream/xerform/fluff and snug

  • clean area with chlorhexidine or saline, no need for vigorous washing
  • layer of antibiotic cream or 1%silver sulfadiazine
  • fine mesh gauze or non adherent gauze adaptic or impregnanted xeroform
  • cover and pad with loose gauze fluffs then wrap with a snug dressing
  • keep limb elevated (super important)
19
Q

Do 2nd degree burns that go home after tx in ED require follow-up?

A

Yes. All 2nd degree burns that you send home regardless of size need 48 hour follow up

Antibiotics are not necessary

20
Q

Patients with singed facial hairs involved in a flash burn need what on physical exam

A

view of airway (check for inhalation injury)

  • Hoarse voice, stridor very concerning
  • Carbonaceous sputum, drooling are emergent
21
Q

High voltage burns:

> ______ volts is a deep tissue injury

A

1000

22
Q

Patients with _____ burns need discussion/transfer to a specialist

A

2nd degree circumferential and 20%bsa or 10% bsa in a child

23
Q

A patient in a fire has had a long transport time and now is having difficulty breathing with tight skin around chest you do this: ______

A

escharotomy

=Release of tissue at depth of sq fat only, Especially over joints

24
Q

A patient dumps tar onto their hands you should do this?

A

apply an emulsifier (polysorbate based ,triple antibiotic cream, Wrap area and send home bring back next day, Luckily rarely full thickness)

25
Q

the physical exam finding consistently present with abdominal organ injury=

A

peritonitis

test for rebound, distenion, leakage of gastric contents

26
Q

Referred pain:
-left shoulder from _____ injury

-testicle pain can be from ______ injury

-

A

splenic

duodenal

27
Q

MC injured abdominal organ in blunt trauma …. in penetrating trauma=

A
  • spleen then liver

- liver, then SB

28
Q

indications for laparotomy

A
blunt injury with hypo or pos fast
post dpl
gunshot
evisceration
bleeding from stomach or rectum with penetrating
peritonitis
free air
Ct positive
29
Q

Rib fractures 9-12 on the right side may indicate–>

A

hepatic injury

30
Q

Where are the 4 places we look for blood on US=

A

pericardial (heart)
RUQ- hepatorenal pouch
LUQ–spleen/kidney
suprapubic

31
Q

T/F: Injury to the retroperitoneal area not seen on US nor DPL

A

T

32
Q

which organ tolerate cavitation injuries the best

A

lungs