Beta blockers halt this process by blocking adrenaline receptors and slowing the heart rate.

阻断肾上腺素的这种正性肌力作用，减缓心率。

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Even certain medications can trigger asthma: aspirin and other non-steroid anti-inflammatory drugs, and beta-blockers (which are used to treat high blood pressure, heart conditions and migraine).

甚至某些药物也可诱发哮喘：阿斯匹林以及其它非甾体类消炎药和阻滞剂(用于治疗高血压、心脏病和偏头痛)。

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Beta-blockers reduced artifacts across the board, but were more useful for taming irregular heart rhythms than for slowing heart rates, the group noted.

贝塔受体阻滞剂可以在总体水平上减低为营，但它的作用不是降低心率，而是让心律更加规则。

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One class of them is beta-blockers, they bind to beta-adrenergic receptors, which are receptors that exchange information between your nervous system and the contractile system that beats your heart and that causes the heartbeat.

一类药物是β阻断剂,它们与β肾上腺素受体结合,这种受体能够在神经系统和,控制心跳的心肌收缩系统之间传递信息,从而产生心跳

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Many doctors prescribe drugs known as beta blockers and calcium channel blockers for people with heart problems.

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In the past decade or so, beta blockers, which slow the heart rate, have become popular in the treatment of heart failure.

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Beta blockers work by reducing activity in the sympathetic nervous system, which is one of the two major branches of the body's stress (or fight-and-flight) system.

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