Definition of Wounds

Definition of Wounds

Wounds are injuries involving skin or tissue cut or broken

 

Types of Wounds

Wounds can be categorized in terms of healing period

1. Acute Wounds:

Acute wounds are defined as those can heal in the short term.

2. Chronic Wounds:

Chronic wounds are those heal over eight weeks or longer with other complications.

Acute Wound

 Chronic Wound

New wounds

Old wounds (over eight weeks) 

Healing can be expected within a certain of period of time

The progress of healing is slow or stops. It risks more complications.

Trauma and surgical wounds

Pressure wounds, diabetic ulcer, ulcers caused by Varicose veins or radiation therapy

 

 

Colors of Wounds

Color

  Black

Headline 1

Necrotic tissue

Headline 2

Shortage of blood flow to wounds

Headline 3

quaggy or hard dry

Headline 4

Need debridement or further treatment with antibiotic

  Black

 Yellow

 Red

 Pink

Necrotic tissue

Slough, Infection

Healthy granulation tissue

Epithelial tissue

Shortage of blood flow to wounds

The necrotic tissue cause cells dying and broken into fragment. Slough presents thin, thick or sticky

Healthy blood flow on wounds which presents an excellent healing environment

Little exudate till surface of wounds flattened 

quaggy or hard dry

Looks yellow or white with yellow-green or yellow-white exudate

Clean or healing wounds

Transparent with light color of pearl pink 

Need debridement or further treatment with antibiotic

Need to remove slough, control exudate with antibiotic

Need to control exudate in a minimum level of wet environment. Apply Hydrocolloids dressing 

Avoid friction and cut on wounds. Apply Hydrocolloids dressing

 

Wound Evaluation 

First degree: injuries that affect the stratum corneum and the epidermis

Second degree: injuries that affect the epidermis and the dermis 

Third degree: injuries that affect the dermis 

Forth degree: injuries that affect the hypodermis and deeper

 

Skin Structure

Skin is composed of three layers - the epidermis, the dermis and the hypodermis and acts as a barrier for protection, absorption, receptors, body temperature regulation, metabolism and excretion

Layers of human skin : 

Epidermis

Dermis

Subcutaneous tissue

 

Skin appendages : 

Hair

Vessel

Nerve

Muscle

Sweat glands

Sebaceous glands

 

 
 

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