单选题脑栓塞最常见的病因是（）A糖尿病B动脉粥样硬化C心瓣膜病D脑动脉瘤E高脂血症
单选题
脑栓塞最常见的病因是（）
A
糖尿病
B
动脉粥样硬化
C
心瓣膜病
D
脑动脉瘤
E
高脂血症
参考解析
解析：
心源性脑栓塞是脑栓塞中最常见的，约75%的心源性栓子栓塞于脑部，引起脑栓塞的常见的心脏疾病有心房颤动、心脏瓣膜病、感染性心内膜炎、心肌梗死、心肌病、心脏手术、先天性心脏病（来自体循环静脉系统的栓子，经先天性心脏病如房间隔缺损、卵圆孔未闭等的异常通道，直接进入颅内动脉而引起脑栓塞，为反常栓塞）、心脏粘液瘤等。
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