Asthma attacks can be triggered by pollen, dust, harsh chemicals or scents.

花粉、灰尘、刺激性化学物质或气味可引发哮喘。

This is called an asthma attack.

这叫做哮喘发作。

So upping your chances of an asthma attack.

因此会增加哮喘发作的几率。

That was really an asthma attack. I just sold it.

其实我是哮喘犯了，只是掩饰特别好。

When an asthma attack hits, the airway shrinks and makes breathing difficult.

当哮喘发作时，气道萎缩，导致呼吸困难。

When you have an asthma attack, you have trouble catching your breath.

若发生哮喘，你会感到呼吸困难。

These, in turn can cause symptoms from mild wheezing and coughing to severe asthma attacks.

这将引起轻症哮鸣、咳嗽以及严重哮喘。

All of the women in the study had asthma, but only some had asthma attacks during pregnancy.

所有参与研究的女性都患有哮喘，但是只有一部分人在怀孕期间哮喘发作。

There are a lot of asthma " triggers" that can cause an asthma attack.

哮喘病发作有许多诱因。

Panic can accelerate an asthma attack by causing airway muscles to tighten, constricting airflow even further.

恐慌会导致呼吸道肌肉收紧，进一步收缩气流，从而加速哮喘的发作。

Severe asthma attacks are dangerous, require medicine, and may require going to the hospital!

严重的哮喘发作非常危险，需要药物控制，而且可能需要去医院！

They can be life-saving during an asthma attack!

这些药物在哮喘发作期间可以挽救生命！

This will help people with asthma have fewer symptoms, and fewer asthma attacks.

这将帮助哮喘患者减少症状，减少哮喘发作。

During an asthma attack, calcium flows into the cells of the airway and contributes to muscle contraction.

原来哮喘发作时，钙流进气道细胞，于是导致肌肉收缩。

During an asthma attack, it can be so hard to breathe that it is hard to talk.

哮喘发作时，患者呼吸困难以至于不能说话。

But during an asthma attack, only relievers will help right away.

但是在哮喘发作时，只有缓解剂才有帮助。

The women who had asthma attacks during pregnancy were 17 percent more likely to have hypertension.

在孕期哮喘发作的女性患高血压的可能性增加了17％。

They could not even lie in their beds because they suffered from asthma attacks, stuffy nose, and watery eyes.

由于患有哮喘、鼻塞、流泪，他们甚至无法躺在床上。

" I'm having an asthma attack. I'm dying." " Whereabouts are you at the hospital? " asks the 911 operator.

“我哮喘发作了。我快死了。”“你在医院的什么地方？”911接线员问。

People can have an " asthma attack" after breathing in things like cigarette smoke, perfume, dust or even moist air.

像二手烟、香水、粉尘甚至是湿润空气都会引起哮喘病发作。