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Atrial fibrillation is a cardiac arrhythmia that often produces very disruptive palpitations, fatigue, and even shortness of breath. Worse, atrial fibrillation can substantially increase your risk of stroke. If you have atrial fibrillation there is l
实用英语
Dr. David Wilber performs a procedure called catheter ablation to treat patients with atrial fibrillation at Loyola University Medical Center in Illinois A relatively new procedure is proving to be more effective in treating patients with irregular h
VOA标准英语2010年(二月)
Sustained Irregular Heartbeat Raises Mortality Risk for Middle Aged Women Many doctors see atrial fibrillation (AF), an abnormal heart rhythm, in their elderly patients. But a new study indicates that a surprising number of middle aged women, who are
VOA标准英语2011年(六月)
By Paula Wolfson Bucharest, Romania 02 April 2008 As NATO leaders gathered in Romania for summit talks, U.S. President George W. Bush urged the alliance to continue to expand eastward and to increase its presence in Afghanistan. VOA's Paula Wolfson r
VOA常速英语2008年（四月）
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
2010年慢速英语(二)月
虽然莱内声称自己私生子卢卡斯已经夭折但莱克斯终于找到了并且把从纽约流氓手中救了出来莱内十分生气莱克斯带回卢卡斯行为冻结了莱克斯银行户头把从公馆赶了出去肯特夫妇收留了莱克斯但不得不为肯特农场干各种农活 卢卡斯敏锐地发现莱内并不完全失明克拉克也发现了莱克
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