Other names: loss of consciousness, coma
Note with functional blood circulation and breathing, we rank among the basic life functions.
As an unconscious generally designated persons of varying duration unresponsive to stimuli from their environment, mainly to reach or touch.
Medicine fault description consciousness uses a number of terms. As syncope (fainting) refers toshort-term unconsciousness, lasting at most a few tens of seconds. Affected soon after the incident regaining full consciousness. Fainting can also come in otherwise healthy individuals because of great emotional distress, standing in vydýchaných areas or in people with low blood pressure when standing up. Unique fainting gives no cause for concern at the repeated fainting need examination by a general practitioner.
Longer-term impairment of consciousness during which the patient can only awaken painful stimulus for a short time, is called sopor.
The hardest form of unconsciousness coma, in which the patient responds to pain only escape moves or does not respond at all.
Impairment of consciousness is a reflection of impairing the function of the central nervous system. The cause is often lack of oxygen in nerve tissue because of poor pumping of the heart, lung disease or low circulating blood volume.
Blockage of cerebral arteries or rupture leads to strokes, which are also unconsciousness may occur.The purely mechanical disruption of brain tissue occurs when injuries or growth of tumor (primary or metastases).
It is also worth mentioning epilepsy, which are the foundation bearing malfunctioning nerve cells.They can control the activity of the entire brain, sending volleys of meaningless signals, leading to convulsions and subsequent coma.
Adversely affect the brain works and the accumulation of waste products of its own metabolism in renal or hepatic impairment or diabetes. Poisoning depressants nervous system activity is unconscious also inevitable.
In our conditions, very often caused by viral or bacterial infections of the brain and its coverings (encephalitis and meningitis).
Unconscious with preserved breathing and circulation put into the recovery position and call an ambulance.
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