广播电视英语短句 第 299 课：关于中风-6

Brain imaging showed that nearly eleven percent of them had suffered what is known as a silent stroke. 脑影像学检查显示，近百分之十一的病人患有一个所谓的沉默中风。

The researchers reported a link between silent strokes and a condition called atrial fibrillation. 研究人员报告说，沉默中风和一个称为房颤的疾病有关联。

This is the most common cause of abnormal heartbeat in older adults. 房颤是中老年人心跳异常最常见的原因。

Other risk factors for a silent stroke are high blood pressure, heart disease, diabetes and tobacco use. 沉默中风的其他危险因素有高血压，心脏病，糖尿病和吸烟。