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(38) / 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(42) / 评论(0) 分类 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

发表于:2019-01-14 / 阅读(61) / 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(94) / 评论(0) 分类 2010年慢速英语(二)月

中美财务会计学词汇 balance between benefit and cost 收益与成本的平衡 balance sheet 资产负债表 balance sheet date 资产负债表日 balance sheet liability method 资产负债表负责法 bank overdrafts 银行透支 basic earnings per share 基本每股收益 beginning of

发表于:2019-02-06 / 阅读(39) / 评论(0) 分类 英文语法词汇

电脑英语--常见硬件篇CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,只

发表于:2019-02-15 / 阅读(65) / 评论(0) 分类 天天商务口语