Ulcers Chapter 8 Flashcards

1
Q

Arterial vs venous…what is the difference?

A
  • Aterial vs Venous Ulcers
  • Round and smooth vs irregular
  • Necrotic tissue vs no necrotic tissu
  • No/weak pulse vs intact
  • Diabetes/smoking vs thrombosis, poor venous valves
  • Minimal drainage/yellow vs lot of drainage
  • Inferior to ankle on lat and dorsal foot vs superior to medial malleolus and med aspect lower leg
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2
Q
  • What disease might cause this?

Diabetes

15-46 more times more likely to develop ischemic ulcers

15% develop leg ulcers

12-24% amputation

A

Arterial insufficiency

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3
Q
  • Cause???

Lack of
Result is gangrene

  • Risk factors:

Smoking
Hereditary
Htn
Diabetes

A

Ischemic Ulcer

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4
Q
  • Risk factors
  1. Hypercholesterolemia
  2. Atherosclerosis
  3. DM
  4. Peripheral neuropathy
  5. Reduced jt range
  6. Obesity
  7. Poor footwear
  8. Reduced vision
A

Ischemic Ulcer

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5
Q
  • S/S: no pulse
  • Night pain
  • No hair
  • Palor when elevated
  • Lower extremity

Distal lateral foot and ankle
Puched out appearance

A

Ischemic Ulcer

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6
Q
  • Prognosis: address reason for poor arterial circulation
  • MI: observation, duplex scanner, CT, MRI
  • Replace affected blood vessels or put in stents
  • Hyperbaric oxygen
A

Ischemic Ulcer

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7
Q
  • Physical Therapy
  1. Check dorsal pedal pulse
  2. Careful with treatments
  3. Avoid warm whirlpools
  4. Document wounds
A

Ischemic Ulcer

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8
Q
  • Over 60
  • Higher in females
  • Impaired circulation
  1. injuries
  2. Varicose veins
  3. Thrombosis of deep veins
  4. Hrt disease
  5. DVT
  6. obesity
A

Venous Stasis Ulcer

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9
Q
  • Location

Medial aspect lower leg above ankle
Irregular shape
Pulses intact
Necrotic tissue: yellow, white or gray
Exudate
Edema
Usually heal

A

Venous Stasis Ulcer

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10
Q
  • Medical intervention

Debridement

  • PT: wound eval and treatment
A

Venous Stasis Ulcer

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11
Q
  • Aka bedsore
  1. Immobile patients
  2. Elderly
  3. Mentally impaired with low nutrition
  4. SCI
  5. CVA (stroke)
A

Pressure Ulcer

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12
Q
  • Prolonged pressure over boney prominence
  • What areas of body?
  • Don’t move enough, compromise blood vessels, lose nutrition to tissue
  • Compression > 2 hours
A

Pressure Ulcer

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13
Q
  • S/S

Red initially
Area may open up
Muscle becomes damaged quickly
Can develop sinus tracts

*

A

Pressure Ulcer

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14
Q

Classification
I: red/purple skin, warm or cool
II : partial thickness: blister or small ulcer

III: full thickness skin loss with tissue necrosis
IV: full thickness with damage to muscle, tendon and bone

A

Pressure Ulcer

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15
Q
  • Prognosis:

Good for early stage
Infection can interfere

  • MI: treat like all wounds

Nutritional status
PREVENTION IS KEY

A

Pressure Ulcer

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16
Q
A