clots

Synthetic vessels made of Teflon exist, but they are prone to infection and blockage by blood clots, and tend to work for only a few months.

现已存在聚四氟乙烯制成的人造血管，但它们很容易感染和形成血栓，且往往只能起几个月的作用。

They noted that some studies have shown no risk of blood clots but said the way those studies were done could be questioned.

他们注释，一些研究显示，不存在血凝块的危险，而是说他们所采用的研究方法可能会被质疑。

If that stent is used, Mr. Clinton will have to take a drug to prevent blood clots for a year or more.

如果这个支撑被使用，克林顿先生将不得不一至更多年的服药以阻止血液凝固。

It even seems to make the blood less "sticky and therefore less likely to produce unwanted clots . "

它甚至还能使血液不那么“黏稠”，从而减少结块的危险。

Parts of the blood do not work together well creating unneeded coagulation related to heart disease or clots.

有一部分血液并不协作良好，从而产生了相关心脏病或血块的不必要凝结。

Clots can block the flow of blood to the heart or brain and cause a heart attack or stroke.

血液凝块会阻塞血液向心脏的流动，造成心脏病发作或中风。

Mapping of these temperature differentials could potentially identify and localize plaque before it ruptures and creates blood clots.

通过描记这些温度变化差异，能够在斑块破裂形成血凝块之前对斑块进行鉴别和定位。

P: Usually they last about a week. They seem heavy. Sometimes there are clots. During my period, I feel a lot of pain .

一般持续一周左右。量是很多的。有时有血块。在经期中我感到很痛。

This "arrhythmia" raises the risk that clots may form in the heart and possibly travel to the brain, causing a stroke.

这种心律失常加大了心脏内形成血栓风险，并有可能移至大脑引起中风。

There were also no apparent increases in adverse events that might be expected from giving a drug that inhibits the breakdown of clots.

不良事件也没有明显增加，这可能是因为药物抑制了血块解凝的效果。

A heart attack is when fatty deposits, clots, etc. block the coronary artery that leads to the heart muscle.

心脏病是由于脂肪堆积而阻塞通往心肌的冠状动脉而引起的。

Splinter hemorrhages are blood clots that have been thrown off by the infection and then have lodged in the small blood vessels.

碎块式的出血是被心脏瓣膜感染排出来并堆积在小血管里的血块。

Blood clots can kill if they move to the heart and lungs and stop needed oxygen from reaching those important organs.

如果血液凝块运动到心脏和肺，并不再需要氧气到达这些重要的器官，它就能使人死亡。

Surgical stockings do not cut the stroke patients' risk of potentially-deadly blood clots, research suggests.

研究发现，外科手术用的长筒袜不会使中风患者发生潜在致死性凝血块的风险降低。

Sequential compression stockings are wrapped around the patient calves and lower thighs; these decrease the risk of blood clots in the legs.

病人的大腿下部到小腿都包裹了一连串的压力袜，以便避免血液在腿部凝结成块。

The risk of blood clots starts to rise four hours into a flight and peaks on flights of more than eight hours.

飞行期间经过四小时后，患血栓的危险开时升高；飞行八小时后，危险性到了最高点。

"The use of these drugs, called thrombolytic therapy, can limit damage and disability due to blood clots, " said study author Kennedy R.

使用抗血栓药物，也称为溶栓疗法，可以减少血块带来的损伤和伤残。

Scientists found that volunteers who ate the Stone Age fare for just three weeks had lowered blood pressure and a reduced risk of clots.

科学家发现那些吃了三个星期穴居人时代的食物的自愿者的血压降低了，减少了血栓的风险。他们的体重也平均下降了5磅。

Anticoagulants prevent clots from growing and new ones from forming, but they do not dissolve clots.

抗凝剂的作用是阻止血块的生长和新血块的生成，但是它们并不溶解血块。

The diluted blood sample can be moved back and forth through the reaction chambers until blood clots.

稀释后的血样可以通过反应室前后移动，直到血液凝结。