INTRODUCTION TO WOUNDS Flashcards
What is a wound
Wound is a discontinuity or break in the surface epithelium
Difference between simple and complex wound
Simple only involves the skin whilst complex wounds involve underlying tissues
Different classifications of wounds
Open or closed wounds
Tidy or Non tidy wounds
Acute or chronic
Examples of open wounds
Incised wounds
Lacerated wounds
Penetrating wounds
Perforating wound
Crushed or confused wounds
Penetrating vs perforating wound
Penetrating wound pierces into the body whilst perforating wound entirely pass through an organ or cavity
Types of closed wounds
Contusion
Abrasion
Haematoma
……….. produces clean scars, whilst……… produces ugly scars
Healing by primary intention, Healing by secondary intention
General factors affecting wound healing
Age
Debilitation due to malnutrition
Corticosteroids
Generalized infection
Malnutrition
How does diabetes reduce wound healing
Microangiopathy
Atherosclerosis
Decreased phagocytes activity
Proliferation of bacteria due to hyperglycemia
Poor immune response
What is microangiopathy
Capillary walls become so thick and weak that they bleed, leak protein, and slow the flow of blood.
Some nutrients needed for wound healing
Zinc
Vitamin C
Why does jaundice and uraemia cause delay wound healing
They cause delayed fibroblastic repair
