teadvusetus, millest ei ole võimalik äratada ka tugeva ärrituse toimel, raske teadvusetusseisund, millega kaasneb kõigi talitluste järk-järgult suurenev pidurdus, the state of complete loss of consciousness from which the patient cannot be roused by any ordinary external stimulus; conjunctival and pupillary reflexes are absent and deep reflexes are usually abolished, a state of unconsciousness from which a person cannot be aroused, caused by injury to the head, rupture of cerebral blood vessels, narcotics, poisons, etc