hypovolemia

Albumin can quickly expand fluid and maintain a stable plasma colloid osmotic pressure in patients with hypovolemia .

白蛋白对低血容量患者可迅速扩容，并能维持稳定的血浆胶体渗透压。

Effects of simulated hypovolemia on tricuspid inflow and superior vena cava velocities in healthy young men

模拟低血容量对健康青年男性上腔静脉及三尖瓣血流速度的影响

Tachycardia may result from pain , apprehension , hypoventilation , or hypovolemia .

心动过速可由于疼痛、恐惧、通气不足或低血容量引起。

Objective To explore the changes in Ca2 + concentration and mitochondrial membrane potential in cultured myocytes in rat subjected to hypovolemia shock .

目的旨在探讨低血容量性休克大鼠心肌细胞Ca2+浓度及其膜电位的变化。

The key points of early treating crush syndrome are fluid infusion , correcting hypovolemia and hyperkalemia , prompt osteofascial compartment open decompression or amputation .

早期治疗挤压综合征的关键是补液、纠正低血容量和高钾血症、适时切开筋膜减压或截肢；

The authors believe that the occurence of FES was in close relation to the hypovolemia , elevation of intramedullary pressure , and unsatisfied immobilization .

作者认为低血容量，髓内压增高及制动不良与脂栓征发病密切相关。低血氧症是较可靠及敏感的早期诊断指标。

It is important to recognize the circulatory dysfunction in the elderly trauma patients may be primarily caused by hypovolemia , but to differentiate it from cardiac insufficiency may be necessary .

着重指出老年人创伤后早期循环状态不良的主要原因仍是低血容量，但需要与心功能不全鉴别。

Experimental studies on calcium ion concentration and mitochondrial membrane potential in cultured myocyte of rat subjected to hypovolemia shock METHODS : Cardiac myocyte was cultured according to the method of Simpson .

低血容量性休克大鼠心肌细胞Ca~（2+）浓度及膜电位的变化方法：以AngⅡ及三碘甲状腺素原氨酸（triiodothyronine，T3）分别或同时作用于培养的细胞。

Of all the factors that can estimate the compensative capability of cerebral blood flow , hypovolemia and hypochromic were very important while deciding to occlude the parent artery .

血容量减少及低血红蛋白在行载瘤动脉闭塞时确定脑血流代偿能力的诸因素中具有重要意义。

Recent observations during spaceflight or ground-based simulation studies have both suggested that hypovolemia and adaptational changes in vessels and myocardium are important mechanisms responsible for postflight orthostatic intolerance .

近年地面模拟研究及航天观察均表明，循环血量的减少、心肌及动脉血管的适应性变化等都可能是导致飞行后立位耐力不良的重要机制。

Results : The main cause was severe hypotension or hypovolemia , Imaging characteristics included low T1 WI , high T2 WI , homogeneous signal intensity and lack of enhancement in bilateral basal ganglia .

结果：12例的病因中以严重低血压及低血容量为主，MRI表现为双侧基底节区对称性T1WI为低，T2WI为高信号，信号均匀，占位不明显，加强扫描无强化。

During 48 hours of corrected hypovolemia and controling shock , the fractures were fixed by plaster support , steel plate , Kirschner wire , intramedullary interlocking nailing respectively according to the displacement of fracture .

在纠正低血容量、控制休克后的48h内，根据骨折移位情况，1例仅给予石膏托固定，3例分别给予钢板、克氏针、带锁髓内针固定。

Since 1960s scientists have always focused on the studies concerning hypovolemia , changes in leg venous compliance , altered responsiveness of baroreflex and the functional status of heart , during which time many improvement have been received .

60年代以来，一贯注重从体液与血容量的调节、下肢静脉系统顺应性、心脏功能状态、以及心血管调节功能的改变等进行研究，并已取得重要进展。

Severe cholera is characterized by profuse watery diarrhoea and vomiting , which leads within hours to hypovolemia , metabolic acidosis and potassium deficiency arising from the loss of fluid and electrolytes .

其感染的特点是严重腹泻和呕吐，由于水和电解质的流失导致在数小时内造成血容量减少性休克，代谢性酸中毒和钾的缺乏。

Objective To study the effects of hypovolemia on cardiovascular response to orthostatic stress , and to investigate the role of hypovolemia in the mechanism of cardiovascular deconditioning and orthostatic intolerance induced by space weightlessness .

目的研究不同程度的血容量减少对心血管系统立位应激反应的影响，探讨血容量降低在航天失重后心血管失调和立位耐力降低机理中的意义。

Methods On the reason of vagal reflex occurrence , to 75 patients with PTCA adopt the measurement to prevent hypovolemia , control the excessive rebound of cavity viscera , adjust the patients mental state , and so on .

方法针对迷走反射发生的原因，对75例PTCA病人采取预防低血容量、控制空腔脏器过度回缩、调整患者精神状态等措施。

Exclusion criteria : cardiogenic shock , hypovolemia , or any other clinical conditions given vasodilators are contraindicated ; serious liver and kidney dysfunction ; significant valvular stenosis ; hypertrophic , restrictive cardiomyopathy ; constrictive pericarditis .

排除标准：心源性休克、血容量不足或任何其他临床情况禁忌给予血管扩张剂者；严重肝肾功能不全者；明显瓣膜狭窄者；肥厚型、限制型心肌病；缩窄性心包炎。

Conclusion The main factors of origin in HA-ARF are infection , cardial and cerebrovascular disease , acute hypovolemia and operation . The mortality rate of this disease is higher . Etilogical treatment promptly and dialysis regimen are the main means to rescue these patients .

结论HA-ARF的主要病因是感染、心脑血管疾病、急性血容量减少和大手术，其死亡率较高，积极进行病因治疗和透析疗法是抢救患者的主要手段。

When body suffered from burns , major surgery , trauma , or severe infections , stress responses lead to hypovolemia and circulating blood redistribution . Gastrointestinal blood flow reduction , the intestinal mucosal barrier damage , and even bacterial translocate result in intestinal-borne infections .

机体在遭受烧伤、大手术、创伤、或者严重感染等应激反应时，有效血容量不足，循环血量重新分布，胃肠道血流量不足，肠粘膜屏障受损，甚至发生细菌易位，造成肠源性感染。

Among them , postoperative infarction occurred in 12 . Conclusion Hypovolemia , disturbance of blood coagulation , decrease of cerebral blood irrigation pressure , dysfunction of cerebral flow regulation , vasospasm , cerebral angiosclerosis and cardiopathy are the major causes of chronic subdural hematoma complicated with acute cerebral infarction .

结论血容量不足、凝血机制障碍、脑灌注压降低、血管痉挛、脑动脉硬化与心脏疾病是慢性硬膜下血肿合并急性脑梗塞的原因。