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02:21 Jan 21, 2008 |
Chinese to English translations [PRO] Medical - Medical: Pharmaceuticals | |||||||
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| Selected response from: CHEN-Ling Local time: 08:02 | ||||||
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Summary of answers provided | ||||
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4 +1 | peak in frequency spectrum is blunt |
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5 | 频谱frequency spectrum: 波峰钝blunted systolic peak |
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Discussion entries: 2 | |
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peak in frequency spectrum is blunt Explanation: blunt peak in frequency spectrum/peak in frequency spectrum is blunt |
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频谱frequency spectrum: 波峰钝blunted systolic peak Explanation: 原文中的“波峰”跟后面提到的S1,S2是相关联的,指的是“收缩峰(systolic peak)”。“频谱波峰钝”是指从“频谱”上得出的结果是:“波峰钝”,也就是说显示出“收缩峰钝”。 “收缩峰钝”= blunted systolic peak http://www.google.com.au/search?hl=en&q=blunted-systolic-pea... 频谱波峰钝 S2峰> S1峰 frequency spectrum:blunted systolic peak, S2>S1 ******************* 以下是一些有关的网页内容: ******************* 目的 探讨眩晕患者椎基底动脉的血流动力学变化。方法 应用经颅彩色多普勒对100例正常人及130例眩晕患者的椎基底动脉进行检测,观察频谱形态及血流速度。结果 (1)检出率:椎基底动脉均能显示不明理想的血流信号,检出率(230/230)100%。(2)频谱形态:以心脏收缩后产生的流速最高,并形成频谱的收缩峰,也称为S 1 峰。继心脏收缩之后,血流由左心室进入主动脉,对血管产生一定压力,致动脉反应性收缩搏动改变,形成血管搏动波,为S 2 峰。100例正常人频谱形态S 1 >S 2 的96例(96%),眩晕患者中频谱形态S 1 >S 2 的110例(85%),收缩峰圆钝(S 2> S 1 )20例(15%)。(3)血流速度:100例正常人(62.32±5.98)cm/s;眩晕患者中正常范围的42例(42/130)32%,收缩期血流速度(40.61±7.13)cm/s,低于正常的74例(74/130)57%,收缩期血流速度(57.86±7.82)cm/s,高于正常的14例(14/130)11%。结论 能对椎基底动脉供血不足的诊断提供参考,为临床对眩晕的病因诊断提供依据。 http://72.14.253.104/search?q=cache:Hr5zuH82Oq4J:www.lunwent... Waveform Blunting Doppler waveform blunting was defined as loss of the characteristic systolic peak http://content.karger.com/ProdukteDB/produkte.asp?Aktion=Sho... "systolic peak" http://books.google.com/books?id=BSHxGaGTEfUC&pg=PA40&dq="sy... blunt waveform http://books.google.com/books?id=BSHxGaGTEfUC&pg=PA40&dq=Blu... the first systolic peak/the second systolic peak(S1/S2) -------------------------------------------------- Note added at 3 days12 hrs (2008-01-24 14:39:29 GMT) Post-grading -------------------------------------------------- http://www.norislam.com/bbs/UploadFile/2008-1/20081242152396... http://www.norislam.com/bbs/UploadFile/2008-1/20081242203161... 请看连接中的两个图,希望您从中得益。 1. S1, S2 是指图中的那两个systolic peak(收缩峰)。这是临床的报告中,您问题中提到的那两个“峰”。 所谓“钝”或“圆钝”,是指异常情况下,相对正常图谱中的陡峭的尖峰而言,变得“圆钝”了。 2. peak (峰),顾名思义,它是一点,峰的顶点。它是没有duration的,在纵坐标上的速率,对应一个“顶峰(peak)"只有一个值。在另外关于“峰时”问题中,"peak duration increased"的说法是不妥当的。从低谷上升到顶峰所需时间的增多,是time to peak increased. 英文的教材中,对这个现象的描述是delayed systolic acceleration. 这里的时间,不是临床所关心的要点,关心的要点是,那个峰的延后所表现出来的图谱变化,也就是说,因此表现为“收缩峰钝”。 |
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