The next step is symptom-to-balloon time. If you have somebody at home waiting two hours before they call is our next challenge.

我们下一步挑战则是从症状开始到球囊扩张时间，减少那些在家等待了两个小时才打电话急救的患者。

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Dr Kugelmass: There is good data to show that the shorter the door-to-balloon time, the better the survival rate, the better the ejection fraction, the better the preservation of myocardium.

有良好的数据显示，时间越短预示着更好的生存率、更好的射血分数，更好的心肌保护。

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The pilot managed to circle the balloon for some time.

这位飞行员设法绕气球飞了一阵。

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Fossett will use a bigger balloon this time, and control its altitude by working a propane ethane burner.

CNN: Global balloon race to get off the ground tonight

"My first thought was that it was sugar cane that was burning, " said Christopher Michel, a photographer who was a passenger in another balloon at the time.

CNN: Official: Egypt balloon explosion probe can take 2 weeks

In that time, the balloon films have undergone a process of evolution, taking in popular crazes such as bungee jumping or special times of the year such as Christmas.

BBC: balloon logo