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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)
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
很多打算赴国外留学的同学现在已经在联系租房的事了，在国外租房的时候一定要签订正式的租约(lease)或住房合同(housing contract)，这有时候也被称为租房协议(rental agreement)。 租房合同里大家要
实用英语
BEIJING, Feb. 16 (Xinhua) -- The Ministry of Transport (MOT) said Thursday that about 2.85 billion passenger-trips by roads were made during the 40-day Spring Festival travel rush this year, up 9.6 percent from the corresponding period last year. A t
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