Threaded through a person's blood vessels, the sensor can provide blood pressure readings at the valve of the heart itself.

这种传感器可以穿过人体的血管，提供心脏瓣膜处的血压读数。

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One of the long-lasting effects of the infection is damage to a valve in the heart.

感染的其中一个长期后果是使心脏的一个瓣膜受损。

《柯林斯英汉双解大词典》

When it was first approved by the FDA in 1970, lithium was believed to cause heart-valve defects in an extremely high percentage of infants born to mothers who were on the drug (about 1 in 50).

锂盐药物在1970年获得美国食品药品管理局（FDA）最初批准时，还被认为可能导致服药的母亲生下心脏瓣膜缺损的婴儿，而且所谓的比例还非常高（约为1/50）。

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Lastly, up here, is a picture of a much smaller device, this is actually an artificial heart valve that is made of plastics and metal and can replace the valve inside your heart.

最后,在上面这里,这张图片是一个相对较小的装置,这实际上是一个人工心脏瓣膜,由塑料和金属制成,可以取代人的心脏瓣膜

耶鲁公开课 - 生物医学工程探索课程节选

But Arena executives and obesity experts say it has none of the heart valve risks because it is targeted to the brain.

FORBES: Magazine Article

But global sales of Zetia and Vytorin were down 12% and 18% from the prior-year quarter, with growth in other countries making up for falling sales in the U.S. Kenneth Frazier, Merck's global head of human health, said on the conference call that new prescriptions of the drugs had dropped 8% since the heart valve results.

FORBES: Magazine Article

In SEAS, Vytorin failed to do better than placebo at treating a heart valve disease called aortic stenosis, but it did reduce the risk of heart attacks, strokes and operations to unclog arteries.

FORBES: Efficacy Questions Still Dog Vytorin