你千萬不可忽視的腦中風前兆!

  你千萬不可忽視的腦中風前兆!

預測腦中風的重要指標

腦中風有兩種,一是血管破裂出血(出血性中風),約佔17%,另種是 頭顱內或頸部的血管阻塞不通,造成缺血性中風,約佔83%

中風前兆,臨床上稱為暫時性腦缺血發作(Transient Ischemic Attack,TIA),俗稱小中風(mini stroke),動脈供應腦部的血液循環突然阻塞,使腦部對應部位的細胞突然短暫缺乏氧和養分,導致那個部位所司的功能暫時減退,一旦栓塞沖散或溶解,供 血恢復正常,腦部的功能也會恢復。

小中風的症狀和腦中風一樣,只是持續的時間長短和嚴重的程度不同。小中風的症狀比較輕微, 大多只持續5~20分鐘,而且會在24小時內恢復。超過24小時就稱為中風。

美國中風協會將小中風和腦中風的症狀分為五大 項:

1.手腳或臉部突然發麻或無力,尤其是身體的單側;

2.突然感到困惑,口齒不清,或聽不懂別人的話;

3. 單眼或雙眼視力突然模糊;

4.突然舉步困難,覺得昏眩,失去平衡或協調;

5.突然不明原因的頭痛欲裂。

 

引用http://www.commonhealth.com.tw/article/index.jsp?id=5654

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