Objective: To evaluate the use of flat-panel digital cardiac system in the peripheral vascular and non-vascular intervention.

目的：评价平板式全数字心血管造影机在周围血管及非血管介入中的应用价值。

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A: Adrenaline from the nervous system lands on receptors of cardiac myocytes (heart-muscle cells), and this causes calcium channels in the membranes of those cells to open.

答：来自神经系统的肾上腺激素“着陆”到心脏肌细胞的受体，这使得这些肌细胞的膜中的钙通道打开。

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There are many other causes of sudden cardiac death in young people. They usually affect the structure of the heart or the heart's electrical system.

其它导致年轻人心脏猝死的原因有很多，这些原因通常会对心脏结构获心电系统造成影响。

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Health Minister John Denham claims the overhaul will address imbalances in the system and says cardiac surgery will be one of the first areas to benefit.

BBC: Move to tackle NHS staff shortages

He was able to walk from the pitch but doctors said that he collapsed again in the changing rooms and had to be given cardiac resuscitation before being taken to hospital where he remained on a life support system.

CNN: Sevilla star dies after collapse

Because of the way our health care system works today -- with emphasis on restricting immediate costs -- this cardiac center, despite Norwood's brilliant successes, could never happen without the Nemours Foundation.

FORBES: Fact and Comment