Definition of "subarachnoidal" []

• Alternative form of subarachnoid. (adjective)

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• ""a permanent disability or death brought on by worsening high blood pressure or arteriosclerosis resulting in diseases of the blood vessels in the brain, such as cerebral haemorrhage, subarachnoidal haemorrhage and cerebral infarction, and acute heart failure and myocardial infarction induced by conditions such as ischemic heart disease" -Dr. Tetsunojo Uehata, official medical classification for the Japanese government recognised conditions that could comprise, Karoshi."