When 55-year-old man is doing heavy work, what reason is nausea giddy vomiting suddenly

Middle-aged and elderly people suddenly appear nausea, dizziness and vomiting symptoms, may be due to cerebellar infarction, cerebellar hemorrhage caused by the phenomenon, followed by high blood pressure, in the force caused by vascular rupture caused by cerebral hemorrhage, resulting in dizziness nausea and vomiting symptoms.