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汉语拼音：wēi xiàng

危险的迹象，特指疾病症状突然加剧，危及生命的现象。

危象 [wēi xiàng]

1. 危险的迹象,特指疾病症状突然加剧,危及生命的现象。高血压危象。

• From its churning, sometimes stormy atmosphere to its shifting tectonic plates, Earth can be a dangerous place.

  从地球内部的搅动着的岩浆、经常发生暴风雨的大气层到正在移动着的地质构造板块，地球可以说是一个危象丛生的险境。

• The main complications were pulmonary infection, pulmonary hypertensive crisis and low cardiac output syndrome.

  术后主要并发症为肺部感染、肺高压危象、低心排综合征。

• Objective To explore varied clinical manifestation and different therapeutic methods about crises of blood-circulation in skin flap.

  目的探讨皮瓣血管危象的各种临床表现以及皮瓣血管危象的针对性处理方法。

• The wound was done debridement before and during operation. The anterolateral thigh flap was cut with vascular anastomosis to repair wound.

  术前、术中彻底清创受区，切取股前外侧皮瓣修复创面，处理血管危象。

• Transfusions are usually not required nor recommended for standard aso-occlusie crises or pain associated with sickle cell disease.

  对于镰状细胞病相关的标准血管阻塞性危象或疼痛，输血治疗常没有必要，且不推荐使用。

• excessive dose of this drug results in a cholinergic crisis.

  过量服用这种会导致胆碱能危象。

• hypertension and postural hypotension should be prevented.

  预防高血压危象，体位性低血压等并发症。

• Objective To analyze operative method and prognosis of thymectomy for treatment of crisis of myasthenia gravis.

  目的探讨重症肌无力危象的外科治疗及围手术期处理。

• Conclusions: To prevent infection and avoid MG critical state are the key factors that can be prevented to decrease the death rate.

  结论：预防感染的发生和避免肌无力危象是可干预的主要因素。