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

高血压危象又能进一步为高血压亚急症、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，们嵌顿在其，镰状细胞疼痛危象或无血管坏死。

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，因为这致命的肾上腺危象。

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.

镰状细胞也嵌顿在脾脏，导致脾梗塞及大量血液积存于脾，脾隔离危象，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，这危及生命：如呼吸肌的功能减弱。