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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

发表于:2019-01-03 / 阅读(233) / 评论(0) 分类 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

发表于:2019-01-13 / 阅读(269) / 评论(0) 分类 VOA标准英语2010年(二月)

Small Electric Jolts Reset Heart Rhythm in Animals For decades, a powerful electric shock has been a standard way to treat someone whose heart has stopped. But a new study suggests normal heart rhythm can also be restored through a rapid series of sa

发表于:2019-01-13 / 阅读(301) / 评论(0) 分类 VOA标准英语2011年(七月)

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

发表于:2019-01-14 / 阅读(300) / 评论(0) 分类 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

发表于:2019-01-31 / 阅读(339) / 评论(0) 分类 2010年慢速英语(二)月
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