Varicose veins are really just swollen veins and are caused by increased blood volume and pressure on the legs and feet.
静脉曲张其实就是肿胀的静脉，这是由腿部和脚部的血量增加和压力引起的。
Keeping effective blood volume.
维持有效的血容量。
When blood volume goes down, blood pressure goes down.
当血容量减少时血压也会随之降低。
When your body retains sodium, blood volume increases and blood pressure rises.
身体保留钠时，血液容量增加，同时血压上升。
They reduce blood pressure through vasodilation and reduction of blood volume.
血管紧张素转换酶抑制剂通过舒张血管和减少血容量而降血压。
Infants and children need extra iron to increase blood volume and muscle tissue.
婴儿和儿童的缺铁需要额外增加血容量和肌肉组织。
Our assumption is that these men have more blood volume, so PSA gets diluted, he said.
他说：“我们的假设是，这些人有更多的血量，所以PSA被稀释了”。
It is believed that the reduction of blood volume might be one of the important factors.
一般认为血容量减少是航天后立位耐力降低的一个重要因素。
This paper observed the change of blood volume in 100 case of normal gravida and puerpera.
本文观察100例正常妊娠妇女血容量的变化。
Your body needs more of this mineral during pregnancy to keep up with your expanding blood volume.
你的身体为了赶上怀孕期间扩大的血液容量，需要更多的这种化学元素。
Deficiency of circulating blood volume, both cellular elements and fluid, is called oligemia.
缺乏症的循环血量，无论手机的内容和液体，被称为。
Objective To study the changes of plasma volume, red cell mass, and blood volume in preoperative surgical patients.
目的研究不同外科疾病病人术前血浆量、红细胞量和血容量变化情况。
Diuretics, or "water pills," which help the kidneys flush extra water and salt from your body and decrease blood volume.
利尿剂，它可以帮助肾脏排出身体里多余的水分和盐，来减少总血量。
Blood volume expands, which reduces the strain on the heart from the increased demand for blood flow to the skin and muscles.
血量增加能降低流向皮肤和肌肉的血液对心脏的压力。
Conclusions: The key factory of HD success is to construct vascular passage, establish blood volume and prevent complication.
结论HD成功的关键在于血管通路的建立、血容量的稳定及并发症的防治。
Signs of blood loss such as tachycardia and hypotension may be delayed until the patient loses nearly 30% of her blood volume.
当病人失血近30%时才会出现诸如心动过速和低血压的失血体征。
After operation, we observe bleeding black and blue in skin and life index, in case of low blood volume and inclination of blood.
术后注意观察伤口有无渗血，皮肤紫斑及生命体征，以避免低血容量及出血倾向。
Perfusion images may show elevated regional cerebral blood volume beyond the area of enhancement, suggestive of tumor infiltration.
灌注影像显示脑血容量增高区域超过强化的区域，提示了肿瘤的浸润。
It is shown that every quota has no obvious change when one is static, but after doing sports, the consistency of blood volume increases.
结果显示，安静时各指标无明显差异，但在运动后血液粘稠度显著下降，而血容量较运动前增加。
The researchers found that men with a body mass index, or BMI, indicating obesity, had a higher blood volume and lower PSA concentrations.
研究人员发现那些体重指数(BMI)高的胖人，血容量较大而PS A浓度较小。
Some evidence-based blood conservation techniques include drugs that increase preoperative blood volume or decrease postoperative bleeding;
一些循证血液保护技术包括提高术前血容量或减少术后出血的药物；
Increased blood volume makes your heart work harder to move more blood through your blood vessels, which increases pressure in your arteries.
血量的增加将加重心脏负担，血管内的血量也会随之上升，进而加大动脉的压力。
Several studies suggest that intrathoracic blood volume index might be superior to central venous pressure with regard to preload assessment.
多项研究认为在评估前负荷上胸腔内血容量指数要优于中心静脉压。
Objective to evaluate the effect of automatic biofeedback regulation of blood volume monitor in estimating dry weight of hemodialysis patients.
目的了解生物自动反馈式血容量监测对评估血液透析患者干体质量的作用。
In order to make up the insufficiency of the circulating blood volume, liquid transfusion should be sped up within 30 minutes after anesthesia.
硬膜外麻醉后30分钟内宜加快输液速度，补充循环血容量相对不足。
This paper introduces the design and realization of double-channels blood volume measuring system, which mainly consists of hardware and software parts.
本文介绍了双通道血流容积测量系统的设计与实现。系统包括硬件与软件两个部分。
The initial monitoring in trauma patients is to evaluate blood volume or the presence of visceral perfusion, and to assess the severity of traumatic shock.
创伤后早期监护重点是对血容量及脏器血液灌流做出评估，对创伤性休克的程度做出判断。
The initial monitoring in trauma patients is to evaluate blood volume or the presence of visceral perfusion, and to assess the severity of traumatic shock.
创伤后早期监护重点是对血容量及脏器血液灌流做出评估，对创伤性休克的程度做出判断。
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