What symptoms can brain hypoxia cause?

Chronic hypoxia for a long time can cause people to show dizziness, headache symptoms, some patients will also show nausea, vomiting, prolonged hypoxia can also cause irreversible damage to the brain, can show mental decline. There are many reasons for cerebral hypoxia, arteriosclerosis, severe cardiopulmonary disease, anemia, hypotension, shock, respiratory obstructive diseases such as severe sleep apnea syndrome, prolonged exposure to pollution environment, can cause cerebral hypoxia. At ordinary times, regular ventilation is required to ensure that the ambient air is fresh. Patients with arteriosclerosis can use some drugs to improve circulation. Cerebral arteriosclerosis can cause people to be depressed, listless, sleepy and sleepy, and can also cause decreased thinking ability and slow reaction.