Hyperventilation is an increase in alveolar ventilation that leads to hypocapnia. It may be caused by a variety of conditions, such as pregnancy, hypoxemia, obstructive and infiltrative lung diseases, sepsis, hepatic dysfunction, fever, and pain.
Dyspnea is the subjective experience of difficulty breathing and may be characterized by patients as tightness in the chest, shortness of breath, breathlessness, or a feeling of suffocation. Up to half of people at the end of life may experience severe dyspnea.
Hypothermia will occur when the core temperature of the body falls below 35°C. If the casualty is suffering from the mildest form of hypothermia, they will usually make a full recovery with professional treatment
Hyperventilation means ‘excessive breathing’. When we breathe in we take in a trace amount of carbon dioxide and when we breathe out this rises to about 4% carbon dioxide. Hyperventilation results in low levels of carbon dioxide in the blood which is what causes the symptoms of this condition.
Asthma attacks can be very traumatic for the casualty, especially children, so be sure to reassure them and keep them as calm as possible. This is best achieved by being calm yourself and let them know you are a first aider.
The Respiratory System is crucial to every human being. Without it, we would cease to live outside of the womb. Let us begin by taking a look at the structure of the respiratory system and how vital it is to life.
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