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38 Cards in this Set

  • Front
  • Back

What are the three stages of haemostasis?

Vasoconstriction (contraction of blood vessels)


Formation of a platelet plug


Blood clotting / coagulation

Define angiogenisis

Formation of new blood vessels

What cells are the first to reach the site during the inflammatory phase?

Neutrophils followed by monocytes and lymphocytes

Name 4 types of wound closure

Primary closure


Delayed primary closure


Secondary closure


Second intention healing

What is primary closure?

First intention healing

List properties of the optimal wound healing environment

Correct temperature (35-37)


Correct PH level (6) slightly acidic


Moist environment to facilitate healing


Wounds must be exposed to oxygen


Bandages must not be too tight


No particles or loose fibres

What is commonly used as a stirrup in a Robert Jones bandage?

Zinc oxide tape

When may you use a Robert jones bandage

On a patient who has sustained a fracture - needs immobilising

What is the best way to decontaminate a wound?

Lavage

What equipment should be used during lavage?

20ml syringe and 18g needle

What is mechanical debridement ?

The physical removal of tissue adhered to on a dressing

What is autolytic debridement?

Performed by white blood cells during the inflammatory phase

What factors may delay healing?

Necrotic tissue


Dehydration


Infection


Foreign material


Insufficient oxygen and blood supply


Poor health and nutrition

What happens during the inflammatory phase?

Damaged cells, bacteria and pathogens are removed from the wound.


Enzymes, nutrients and white blood cells create swelling and redness

What happens during the proliferative phase?

Wound is replaced by granulation tissue consisting of fibroblasts, granulocytes, macrophages and blood vessels. Tissue is made up of collagen and extra cellular matrix.

What happens during the remodelling phase?

Water content reduces and collagen is laid down and is gradually replaced by a more stable type

When would an absorbent dressing be used?

On wounds with mild to moderate amounts of exudate

When would a wet to dry dressing be used?

To remove drainage and dead tissue from wounds - deep wounds

When would a Manuka honey dressing be used?

To support moist wound healing and to manage infection and wound debridement



Often used on infected wounds

When would gel based dressings be used?

Often for burns and traumatic wounds, ulcerations and sores.

What are types of wound debridement?

Autolytic, biological, enzymatic, surgical, mechanical

What is a primary dressing layer?

Moist layer and supports fluid absorption and stimulates granulation tissue


‘Wet to dry’

What are aseptic techniques in wound management?

Lavage and debridement

What are the types of debridement?

Autolytic, mechanical, biological and surgical

What are indications for antibiotic therapy?

Swabs, culture and sensitivity

What is primary closure?

Surgical closure

What is primary closure?

Surgical closure

What is delayed primary closure?

Managed as open wounds before surgical closure

What is primary closure?

Surgical closure

What is delayed primary closure?

Managed as open wounds before surgical closure

What is secondary closure?

Used for heavily contaminated wounds with damaged skin

What is second intention healing?

Wound is dressed and managed until heals by granulation

What should dogs be fed during wound healing?

4g of protein per 100kcal

What should dogs be fed during wound healing?

4g of protein per 100kcal

What should cats be fed during wound healing?

6g of protein per 100kcal

What should patients be fed during wound healing?

1.5 X RER

Give some functions of a wound dressing

Absorb exudate


Protection


Prevent infection


Promote wound healing


Maintain a high humidity


Debridement


Analgesia

What is dehiscence?

Breakdown of a surgical wound