(单词翻译:单击)
What Are the Warning Signs of a Stroke?
这些病症警示可能是中风
The Centers for Disease Control and Prevention estimate that stroke kills about 140,000 Americans each year. Someone in the U.S. has a stroke every 40 seconds, and someone dies from it every four minutes. Although stroke risk increases with age, about one-third of people hospitalized for stroke are under 65 years old.
美疾控中心估计,中风每年导致约14万美国人死亡
The CDC estimates that stroke costs the U.S. $34 billion each year in health care services, medicines to treat stroke and missed days of work. Stroke is a leading cause of serious long-term disability.
美疾控中心估计,中风患者每年在医疗保健服务、服用中风药物以及中风请假方面花费340亿美元
Yet, despite these dire statistics, the American Stroke Association says that stroke "is preventable, treatable and beatable." The treatment part, however, depends the most on one important factor: speed. The faster you recognize the signs and symptoms of a stroke and begin treatment, the more likely you are to prevent long-term disability and death.
然而,尽管这些数据令人望而生畏,但美国中风协会表示中风“是可预防的、可治疗的,也是可以打败的
Types of Stroke
中风的类型
First, it's important to understand what a stroke is. The most common type is called ischemic stroke. This is when a blood vessel supplying blood to the brain is obstructed by fatty deposits in the vessel lining, which is known as atherosclerosis. The ASA says about 87% of all strokes are ischemic in nature.
首先,了解中风十分重要
。最常见的一种类型叫做缺血性中风 。当为大脑供血的血管被血管壁中的脂肪沉积物阻塞时(也被称为动脉粥样硬化),就会引起这类中风 。美中风协会表示,87%的中风案例都是缺血性的 。Hemorrhagic strokes, which comprise about 13% of stroke cases, result when a weakened blood vessel ruptures – most often the result of untreated or poorly treated high blood pressure – causing bleeding into the brain. The blood builds up and compresses the surrounding brain tissue, causing tissue damage and cell death.
出血性中风约占中风案例的13%,是由血管破裂力减弱(通常是高血压未经治疗或治疗不当所带来的结果)导致脑出血所致
In each case, the longer the condition lasts, the more damage occurs. Stroke specialists use the phrase "time is brain" – every second the stroke lasts, more brain cells are damaged and die.
在每种情况下,症状持续的时间越长,造成的伤害也越大
Another important type of stroke to know about is called a transient ischemic attack, or TIA. Also called a ministroke, a TIA is a temporary blockage of blood flow to the brain. It doesn't cause permanent damage, may not cause noticeable or long-lasting symptoms and is often ignored. But the ASA warns that TIAs may signal that a full-blown stroke is soon to come, so symptom awareness is critical.
另一种需要了解的中风类型叫做短暂性脑缺血发作,又称为小中风,是暂时性的大脑血流阻塞
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