Neurogenic hypoventilation caused by an enlarged fourth ventricle.
D002544:Cerebral Infarction / Q000150:complications* / Q000000981:diagnostic imaging; D014695:Cerebral Ventriculography; D006801:Humans; D007040:Hypoventilation / Q000000981:diagnostic imaging / Q000209:etiology*; D008297:Male; D008526:Medulla Oblongata / Q000000981:diagnostic imaging; D008875:Middle Aged