能拍摄血管内部的微型摄像头 Ahead of any surgical procedure, doctors try to learn as much as possible about the state of the organs they plan to operate on. A new camera developed in the Netherlands can now make that easier - giving surge

发表于:2019-01-14 / 阅读(82) / 评论(0) 分类 VOA标准英语2015年(八月)

RACHEL MARTIN, HOST: About 800,000 people have strokes every year in the U.S. Most are caused when a clot blocks a blood vessel to the brain. We've known about strokes for a long time. But it wasn't until recently that doctors could do anything about

发表于:2019-01-17 / 阅读(53) / 评论(0) 分类 2017年NPR美国国家公共电台5月

35 切尼副总统的心脏病治疗手术 DATE=3-14-01 TITLE=SCIENCE REPORT- Cheney/Heart BYLINE=Nancy Steinbach (Start at 1'00

发表于:2019-01-30 / 阅读(74) / 评论(0) 分类 科技之光

HEALTH REPORT - Carotid Stent By Jerilyn Watson Broadcast: Wednesday, May 12, 2004 This is the VOA Special English Health Report. Strokes can take place when fatty material blocks the flow of blood th

发表于:2019-01-30 / 阅读(46) / 评论(0) 分类 健康与经济

This is the VOA Special English Health Report. A condition called atrial fibrillation produces an abnormal heartbeat. People feel their heart race and they lose their breath. It may last a few seconds, but it can get worse and worse with age, leading

发表于:2019-01-31 / 阅读(94) / 评论(0) 分类 2010年慢速英语(二)月

The IMPACT registry stands for 'Improving Pediatric and Adult Congenital Treatment' and includes information about patients who do not undergo open heart surgery. Often they undergo catheterization, a procedure which uses a catheter, or narrow tube,

发表于:2019-02-07 / 阅读(46) / 评论(0) 分类 VOA标准英语2010年(一月)