A deep vein thrombosis can also send off a thromboembolism to the lungs which can cause a sudden pulmonary embolism which can be fatal.

深静脉血栓也可能脱落血栓栓子；其到达肺部可导致致命肺栓塞。

Symptoms of venous thromboembolism include pain similar to a muscle cramp, and swelling in the affected leg.

静脉血栓栓塞症状包括类似肌肉痉挛疼痛以及侧腿部肿胀。

Protein C or S deficiency is suspected in people with a strong family history of coagulation disorders, especially those who suffer from recurrent venous thromboembolisms and experience their first thrombotic event before age fifty.

有明显凝血功能障碍家族者可怀疑白C或白S缺乏症，尤其是现静脉血栓栓塞，且于50岁之前发生第一次栓塞者。

Protein C or S deficiency is commonly asymptomatic, but symptoms arise when a venous thromboembolism develops.

白C和S缺乏症者一般无临床症状，当血栓栓塞时可现症状。

Protein C or protein S deficiency is also sometimes suspected when a venous thromboembolism develops in an unusual site like the portal, mesenteric, or cerebral veins.

当静脉血栓栓塞现在不常见部位时，也要怀疑白C或白S缺乏症，比如门静脉、肠系膜静脉或脑部静脉。

Initial treatment of venous thromboembolisms is the same as it would be for patients with normal protein C and protein S levels.

对静脉血栓栓塞初步治疗，与对拥有正常水平白C和S者治疗是一样。

Most people present with venous thromboembolism, where a blood clot of the leg veins or lung circulation is most common.

大部分者会现静脉血栓栓塞，最常见是在腿部静脉及肺循环中形成血栓。

Another UK study published last year found incidences of and deaths from thromboembolism doubled in the first six months of the pandemic compared to rates seen in the years prior.

去年发表另一项英国研究发现，与前几年相比，在大流行前六个月，血栓栓塞发病率和死亡率翻了一番。

The major source of thromboembolism and stroke in non-valvular AFib is formation of thrombus in the left atrial appendage where flow is relatively stagnant.

非瓣膜性房颤中，血栓栓塞和卒中主要来源是左心耳内血栓形成，此处血流相对滞缓。

A more serious presentation is neonatal purpura fulminans, which is when a newborn with protein C or S deficiency suffers massive arterial and venous thromboembolisms with hemorrhagic skin necrosis.

更严重并发症是新生儿暴发性紫癜，即有白C和S缺乏症新生儿现大量动静脉血栓栓塞及血性皮肤坏死。