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科学美国人60秒:医院减少分贝的方法

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This is Scientific American — 60-Second Science. I'm Christopher Intagliata.
Hospitals can be extremely noisy places.
In fact, quietness is one of the lowest-rated categories on national surveys of hospital quality. And: "The situation is getting worse, rather than getting better."
Ilene Busch-Vishniac, an acoustician and president of BeoGrin Consulting. She talked about hospital noise at a session during the Acoustical Society of America meeting this week in New Orleans.
Busch-Vishniac says she and her colleagues have tested speech intelligibility in hospital halls and nurse stations... and they found poor or marginal scores across the board.
"In fact the speech communication and noise problem is so bad that most hospitals in the U.S. have eliminated the ability to phone in pharmaceutical orders—you now must deliver them in writing, because they were getting too many errors."

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So how to calm the cacophony? She suggests more closed doors, to give patients peace and quiet. Or instituting or continuing so-called "quiet times," when nurses interact less with patients, they turn lights down, and keep voices low. And installing more acoustic absorbing tiles.
Finally: she recommends fewer audio alarms. "Now that alarms frequently are gathered centrally at nursing stations, it seems less necessary to have them also ringing at the bedside of patients. And if we could turn those off we could remove some of the most distracting sounds from the environment."
The idea wouldn't be to eliminate all bedside alarms. But to keep only the most essential ones in audio form. And in dampening the decibels, give patients what they really need: rest.
Thanks for listening for Scientific American — 60-Second Science. I'm Christopher Intagliata.

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重点单词   查看全部解释    
extremely [iks'tri:mli]

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adv. 极其,非常

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marginal ['mɑ:dʒinəl]

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adj. 边际的,末端的,仅以微弱多数获胜的,微小的

 
environment [in'vaiərənmənt]

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n. 环境,外界

 
continuity [.kɔnti'nju:iti]

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n. 连续性

 
communication [kə.mju:ni'keiʃn]

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n. 沟通,交流,通讯,传达,通信

 
cacophony [kæ'kɔfəni]

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n. 刺耳的声音,杂音

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relentless [ri'lentlis]

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adj. 无情的,冷酷的,残酷的

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remove [ri'mu:v]

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v. 消除,除去,脱掉,搬迁
n. 去除

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intelligibility

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n. 可理解性;可懂度;可理解的事物

 
essential [i'senʃəl]

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n. 要素,要点
adj. 必要的,重要的,本

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