According to Erste-Hilfe Kurs München fainting is a sudden loss of consciousness caused by a temporary disruption of cerebral blood flow. In other words, it is the brain’s signal that it is not getting enough oxygen.
The main difference between fainting and prolonged unconsciousness is that the latter is a broader concept, consisting of a number of other conditions. Fainting is characterized by hypoperfusion of the brain and the short duration of the episode.
There are several causes of its occurrence. They have varying degrees of health risk. The main one is a decrease in blood pressure (BP), in which the blood supply to the brain deteriorates. Fainting occurs when the blood pressure falls below 60 mmHg.
Reflex fainting is associated with a sudden drop in blood pressure when the body changes position from horizontal to vertical. It is the most common cause among others. Inadequate blood flow is sometimes associated with mechanical obstruction. Example from führerschein Erste Hilfe Kurs münchen is thromboembolism of the pulmonary artery.
The pre-faint state is characterized by the fact that the person rolls his eyes, is covered with cold sweat, his pulse weakens, and his limbs get cold.
Typical situations of fainting are:
- Stuffiness, and others.
What to do if a person has fainted
At Erste Hilfe führerschein münchen they teach if the person fainted, put them in a comfortable, horizontal position and get enough fresh air (unbutton their clothes, loosen their belt, open windows, and doors). Splash cold water on the victim’s face and pat his cheeks. If you have a first aid kit handy, give a cotton swab moistened with ammonia.
If consciousness does not return for 3-5 minutes, call an ambulance immediately.
When the victim regains consciousness, give him strong tea or coffee.