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A loss of consciousness occurs when not enough blood reaches the brain and corresponds to a loss of awareness of oneself and one’s surroundings. In most cases it is due to a particular situation; upon receiving bad news, extreme pain, fear of needles, etc. If a patient with a heart or neurological disease, or who takes certain medicines, loses consciousness, call emergency services immediately.
Loss of consciousness explained in first person
Professionals and patients explain how you live with the disease
Fainting is usually caused by a decrease in blood flow to the brain. This has many possible causes. In most cases the cause is psychological. This is called vasovagal syncope. But patients with conditions like, for example, heart defects or neurological disorders, or patients who are taking a lot of medication, all these patients should always go to the emergency room.