The respiratory system can be divided into two sections: upper and lower. The upper respiratory system includes the nostrils, nasal cavity, mouth, pharynx (throat) and larynx (voice box). The throat is a common passageway...

Universal precautions (also commonly called standard precautions) are the basis of an approach to infection control which treats all human blood and materials as potentially infectious, and include: engineering controls administrative controls which include workplace...

Fractures and dislocations are common injuries to our musculoskeletal system. Most of us will break a bone in our lifetime! So what’s the difference between a fracture (broken bone) and dislocation? What is a...

The Apgar score is a standardised way of checking the health of a newborn baby. It was named after its creator, Dr Virginia Apgar, Professor of Anesthesiology at Columbia University in the USA, who died...

A subconjunctival hemorrhage is a bleed beneath the surface of the eye (known as the conjunctiva). The most common cause is a burst blood vessel underlying the conjunctiva.  The blood vessels which supply the...

Oropharyngeal (OP) airways are curved plastic devices that assist in the maintenance of an adequate airway in the unresponsive casualty. The OP airway by itself does not replace correct airway management practices and should...

Bipolar Disorder otherwise known as manic depressive disorder is a mental health illness where patients experience periods of extreme elation or mania and periods of depression hence the term ‘bipolar’. It effects approximately 1/100...

According to the World Health Organisation, approximately 47.5 million people world wide suffer from Dementia. This number is set to sky rocket with the increasing elderly population. The term ‘dementia’ encompasses a group of...

Anxiety attacks are surprisingly common and occur most frequently in women. They can be caused by a variety of things that are specific to that individual e.g. fear of going outside or news that...

Blood pressure is defined as the pressure exerted by circulating blood on the walls of the arteries and is highest in the large arteries leaving the heart. It is measured in millimetres of mercury...

Our heart is controlled by electrical activity which allows it to pump in a co-ordinated way. A disturbance in the normal electrical activity is known as an arrhythmia.  Arrhythmias can cause the heart to stop...

Triage is the initial assessment and sorting of casualties based on medical need and likely response to treatment. In a multiple-casualty situation, triage is essential to effectively sort casualties and prioritise their order of...

Cerebral compression occurs when there is a build up of pressure inside the skull. Cerebral compression can be caused by bleeding into the skull or swelling of the brain tissue after a head injury. It...

The heart is a very complex organ, made up of many specialised structures designed to work in unison. The heart can suffer from a variety of problems with the most common being a heart...