TIA近期内发生脑梗死的高度危险征兆是A.局部脑血流显像未见明显异常B.rCBF呈局部低灌流区,24小时后恢复正常C.rCBF显示为多个放射性稀疏...

作者: rantiku 人气: - 评论: 0
问题 TIA近期内发生脑梗死的高度危险征兆是
选项 A.局部脑血流显像未见明显异常 B.rCBF呈局部低灌流区,24小时后恢复正常 C.rCBF显示为多个放射性稀疏或缺损区域 D.TlA发作以后24小时,rCBF仍呈局部低灌流区 E.rCBF呈局部高灌流区
答案 D
解析 :TIA发作以后24小时SPECT仍呈局部低灌流区是近期内发生脑梗死的高度危险征兆。

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