Hypertensive crisis can be further split into hypertensive urgency and hypertensive emergency.

高血压危象又能进一步分为高血压亚急症、高血压急症。

Later, they get stuck in other bones, causing sickle cell pain crises or avascular necrosis of the bone.

随后，它们嵌顿在其它骨，镰状细胞疼痛危象或骨无血管坏死。

It's important to avoid sudden steroid withdrawal, though, because that can cause an adrenal crisis which is life threatening.

不过，重要的是避免类固醇骤然撤除，因为会致命的肾上腺危象。

Treatment because it was causing too many complications, hypertensive crisis.

治疗因为引了太多的并发症，高血压危象。

So yes, you might be on hydroxyurea and yes, you might have decreased rates of vaso-occlusive prices.

是的，你可能正在服用羟基脲，而且你发作血管闭塞性危象的频率也可能降低了。

That will enable us to identify, oh, this patient is of high risk of developing a painful crisis, which is, for patients, extremely important.

将使我们能够识别， ，患者有很高的疼痛危象发病风险，对于患者来说极为重要。

Could you go, we think this person is going to have a painful sickle cell crisis and then actually change something so that they don't?

你能去吗？我们认为个人可能会出现痛苦的镰状细胞危象，然后实际采取一些措施防止种情况发生吗？

Finally, if the blood pressure gets really high really fast, it's referred to as a hypertensive crisis, and involves a systolic greater than 180 mmHg or a diastolic pressure greater than 120 mmHg.

如果血压变得很高而且上升得很快，最终可能会变高血压危象：收缩压大于180mmHg，舒张压大于120mmHg。

Red blood cells can also clog up the spleen, which can lead to an infarct to the spleen, as well as an enormous backup of blood in the spleen - called splenic sequestration, a life-threatening complication.

镰状细胞也会嵌顿在脾脏，导致脾梗塞及大量血液积存于脾，脾隔离危象，会危及生命。

In some cases, if certain muscles are affected, myasthenic patients can experience a myasthenic crisis, which is a life-threatening manifestation of the disease; an example of this might be a decreased function of the muscles that control breathing.

还有一些情况，如果某些肌肉被影响，重症肌无力患者发生肌无力危象，会危及生命：如呼吸肌的功能减弱。

We know that sickle cell crisis can be exacerbated by things like the cold weather, a rainy day, but also infection or they're a bit dehydrated, they have to drink a bit more water.

我们知道镰状细胞危象可能会因寒冷天气、下雨天，或是感染、轻微脱水等因素而加剧，他们需要多喝水。