Page 1 Session 12 Blood Loss


Hypovolemic Shock

 20% of blood lost will cause Hypovolemic Shock

Hypovolemic shock or (Physiological shock) is a life threatening condition. Shock occurs when the body's vital organs such as the heart and brain are deprived of oxygen due to a condition affecting the circulatory system. As paediatric first aiders it is important:

  • That we can recognise shock
  • Treat shock


Shock Recognition

Now we know that there are many conditions that can cause shock. As mentioned recognition is the most important. In many cases when shock is recognised we can treat it.

We will look at early stages and later stages. Shock itself can develop slowly or very fast.

Early Stages

  • Light headed and dizzy
  • Feel sickly
  • Hands shaking 
  • Possible hot flush 
  • Sweating 

Later Stages

  • Lips turn pale blue
  • Skin is pale
  • Skin is cold to touch
  • Vomiting may occur
  • ​Thirsty as mouth becomes dry
  • Rapid weak pulse
  • Rapid shallow breathing
  • Unconsciousness
  • ​Stops breathing


Cause Of Shock

There are many causes of shock and we will look at some of them. The aim is to recognise shock and the stages that a child my go through. There is no doubt the final stages of shock means the child is close to death. Some of the common causes.

  • ​Severe Bleeding(External & Internal)
  • Severe Vomiting & Diarrhoea
  • Heart Attack
  • Breathing conditions (Asthma)
  • Poisoning
  • Fainting
  • ​Head injuries

How to manage major seizures

Treatment For Shock


Golden Rule


Treat the initial problem first for example if the child is bleeding, patch them up. The blood loss is allowing the shock to progress. By treating the cause first you begin to BUY TIME


Dressing has 3 parts


2. Tail

3. Roll

 What is a Dressing?

The differences between a dressing and a bandage

a dressing has a pad which tends to be sterile and used on open wounds the bandage can be used to apply a sterile pad, however they tend to be used for sprains and strains.

Dressing has 3 parts


2. Tail

3. Roll

3 Types of Bleeds

 There are 3 types of bleed that should be recognised :

  • Arterial- Blood will pump from the wound with every heart beat.
  • Venous- ​Blood will gush from the wound and create pools of blood.
  • Capillary- Oozing blood at the site of the wound

How to Manage Sever Blood Loss

Step 1 A child is bleeding badly


Child is




Step 2 Get a first aid kit


Get your gloves on and ensure your helper has their gloves on.

Step 3 Direct Pressure


It is important control blood loss. Try to elevate and apply a dressing with pad directly over the wound. 

Step 4 Apply Dressing Firmly To Wound


Should blood seep through the dressing apply a second dress with firm pressure and elevate.

Step 5 Call 999


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Assessment 12 Final Assessment


Take your time as you go through this assessment read the question as some have more than 1 answer. This assessment requires your to score 22 out of 25. Your score will appear at the end of the assessment, you can check your answers and a email is sent to you and Life Lines of the result