If you are going to start an exercise program, you should have the OK from your doctor first to make sure that you don't have any potential heart or other health issues.

如果你要开展一项运动，必须先得到你的医生的许可，确保你将不会有任何潜在的心脏或其他健康上的问题。

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Now, in the heart action potential is moving from one heart muscle cell to another over the surface of the heart.

心脏中的动作电位,沿相邻心肌细胞在心脏表面传递

耶鲁公开课 - 生物医学工程探索课程节选

In the heart it turns out that the cells of the heart are electrically coupled together, so if an action potential moves down this cell it directly moves into the next cell.

在心脏中,事实证明,心脏细胞是电偶联的,所以如果动作电位在一个细胞中传递,那么直接就能传递给下个细胞

耶鲁公开课 - 生物医学工程探索课程节选

So, there's a continuum of electrical connection in the heart that allows an action potential to sweep across the surface of the heart and for the heart to beat in a coordinated fashion.

所以 心脏细胞有电偶联的连结组织,以使动作电位平稳在细胞表面传递,保证心脏的协调性跳动

耶鲁公开课 - 生物医学工程探索课程节选

In December, new data were unveiled showing a potential heart risk for Celebrex.

FORBES: Pfizer's Celebrex Risk Gets Worse

At some point a drug for even the most uncommon disease becomes every bit as appealing to drug companies as an untested potential heart treatment or impotence pill.

FORBES: Magazine Article

And 26 pages later, Lilly counters with an ad featuring a torso with the heart exposed and attacks three rival drugs by name, including Novartis' Mellaril and Serentil, for potential heart problems.

FORBES: Silencing the Voices