超聲可以檢查血流速度的變化。
回答: 儀器檢查應該是沒有什麽辦法,因為血管阻塞或打結不是說是完全的堵死,所以血流沒有改變隻是速度變緩了,這種情況醫學上很難有結論,隻能
由 tao2626
於 2016-04-07 20:51:01
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