Dame Elizabeth had heart surgery in 2009 to replace a leaky valve and has a long history of health problems.

伊丽莎白长期以来都患有心脏病，并曾在2009年进行过心脏手术、更换有漏洞的心脏瓣膜。

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Heart valve replacement surgery typically involves replacing the faulty or leaky valve with a pig or cow tissue valve.

一般心脏瓣膜置换手术包括用猪或牛组织瓣膜置换损毁或有漏洞的瓣膜。

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The echocardiogram is a painless test that's used to look for prolapse of the mitral valve flaps and for backflow (regurgitation) of blood through the leaky valve.

这项检查没有痛苦，主要用于检查二尖瓣的脱垂和血液通过渗漏二尖瓣的反流情况。

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Despite delays on Tuesday and Wednesday, when it looked like there were too many cooks in the kitchen, today BP (and its government minders) fixed a leaky valve then moved on with their test of the containment cap.

FORBES: BP Cap Test Looking Good. Expect Relief Rally.

At the end of the 20-minute exam, Gandy informed her that she had a leaky heart valve and would need to be checked annually.

CNN: More patients tackling heart issues earlier