Latin ischaemia and East of the Greek ischaimos, de ischo, secure, retain, prevent and haimatos haima, blood, stagnation of blood in the circulatory system, in this case in the brain. The causes of partial or total blockade can be manifold, an embolism or its opposite the closed vessel or artery by the accumulation of fat, a spasm. The lack of irrigation in some organ is a very serious problem that can cause death if untreated in time.
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