此外,椎-基底动脉系统TIA还可出现下列几种特殊表现的临床综合征: (1)跌倒发作(drop attack):患者转头或仰头时,下肢突然失去张力而跌倒,无意识丧失,常可很快自行站起,系椎动脉受压导致脑干网状结构缺血所致。
基于338个网页-相关网页
The risk of heart attack and stroke starts to drop immediately after a person stops using tobacco products, and can drop by as much as half after one year.
好消息是在人们停止使用烟草制品后心脏病发作和中风的危险立即开始下降,并且在一年后可下降达一半。
Even a small drop in temperature leads to an increase in the number of people who suffer a heart attack, say researchers.
研究人员称,即使很小范围内的温度下降,也能导致心脏病发作人数的增加。
Mr McCain needs to drop his current line of attack if he is to have any chance of doing his own popping.
麦凯恩要想抓住最后的一线希望就必须放弃他现在攻击路线。
应用推荐