vasovagal

简明释义

[ˌveɪzəʊˈveɪɡ(ə)l][ˌveɪzoʊˈveɪɡəl]

adj. 血管迷走神经的

英英释义

Relating to or denoting a reflex that involves the vagus nerve, typically causing a sudden drop in heart rate and blood pressure, often resulting in fainting.

与迷走神经有关的反射,通常导致心率和血压突然下降,常常导致晕厥。

单词用法

vasovagal syncope

血管迷走神经晕厥,血管迷走性晕厥

同义词

vasodepressor

血管抑制剂

Vasodepressor syncope can occur due to stress or pain.

由于压力或疼痛,可能会发生血管抑制性晕厥。

vasomotor

血管运动的

The vasomotor response is crucial in regulating blood flow.

血管运动反应在调节血流中至关重要。

反义词

sympathetic

交感神经的

The sympathetic nervous system is activated during stress.

在压力下,交感神经系统被激活。

stimulation

刺激

Stimulation of the sympathetic nerves can increase heart rate.

交感神经的刺激可以增加心率。

例句

1.Head up tilt test plays a crucial role to direct diagnosis of vasovagal syncope, which has important value in clinical application.

直立倾斜试验对血管迷走性晕厥疾病的直接诊断起着决定性的作用,具有重要的临床应用价值。

2.Ditto, B. , & France, C. R. (2006). Vasovagal symptoms mediate the relationship between predonation anxiety and subsequent blood donation in female volunteers. Transfusion, 46, 1006–1010.

血管迷走神经症状对于女性献血者献血前焦虑与随后献血行为之间关系的调解作用。静脉注射,46, 1006–101。

3.What premonitory signs and symptoms may exist for vasovagal syncope? 1.

血管迷走神经性晕厥出现的先兆症状和体征有哪些?

4.Objective To analyze the clinical character and differential point of vasovagal syncope (VVS) and partial epilepsy in children.

目的:分析儿童血管迷走性晕厥与部分性癫痫的临床特征及鉴别要点。

5.Positive-to-negative test provides rational and experimental evidence. Drinking-water is a simple and effective measure for the prevention of vasovagal syncope.

阳转阴试验为防治小儿血管迷走性晕厥提供了理论和实验依据,饮 水试验是一种简单有效可行的防治措施。

6.Objective: the aim is to investigate incidence, mechanisms and risk factors of the vasovagal reaction during cardiac interventional therapy.

目的:我们的目标将是研究经股动脉行心脏介入诊疗过程中血管迷走反射发生率、发病机制及相关因素。

7.Mr Sarkozy had suffered vasovagal syncope, a nerve condition in which exhaustion and dehydration can lead to a loss of blood pressure, hospitalised, the AFP news agency reported.

萨尔科齐因血管迷走性晕厥,这是一种神经条件的衰竭和脱水可导致失血过多的压力,法新社报道。

8.Objectives To study the baroreflex function in patients with vasovagal syncope.

目的评价血管迷走性晕厥患者的压力反射器功能。

9.Ditto, B. , & France, C. R. (2006). Vasovagal symptoms mediate the relationship between predonation anxiety and subsequent blood donation in female volunteers. Transfusion, 46, 1006–1010.

血管迷走神经症状对于女性献血者献血前焦虑与随后献血行为之间关系的调解作用。静脉注射,46, 1006–101。

10.After standing for a long time, she experienced a vasovagal 迷走神经性 response and fainted.

她站了很长时间后,经历了一个迷走神经性反应,晕倒了。

11.The nurse reassured her that vasovagal 迷走神经性 responses are common during medical procedures.

护士安慰她说,医疗程序中发生迷走神经性反应是很常见的。

12.He has a history of vasovagal 迷走神经性 episodes whenever he sees blood.

他有每次看到血时都会发生迷走神经性发作的历史。

13.During the blood donation, she felt dizzy due to a vasovagal 迷走神经性 reaction.

在献血期间,她因发生迷走神经性反应而感到头晕。

14.The doctor explained that his vasovagal 迷走神经性 syncope was triggered by stress.

医生解释说,他的迷走神经性晕厥是由压力引起的。

作文

The human body is a complex system that relies on various mechanisms to maintain homeostasis. One such mechanism involves the autonomic nervous system, which controls involuntary bodily functions. Among its many functions, it plays a crucial role in regulating heart rate and blood pressure. A fascinating phenomenon related to this system is known as vasovagal syncope, a condition that can lead to fainting due to a sudden drop in heart rate and blood pressure. Understanding vasovagal responses can provide valuable insights into how our bodies react to stress and certain stimuli.When someone experiences a vasovagal response, it typically occurs in reaction to specific triggers. These triggers can include emotional distress, extreme pain, or even standing up too quickly. The body reacts by activating the vagus nerve, which leads to a dilation of the blood vessels and a decrease in heart rate. As a result, blood flow to the brain is reduced, causing the individual to feel lightheaded or faint. This physiological response is the body’s way of protecting itself, often preventing injury during a fall.Interestingly, vasovagal syncope is not uncommon; many people have experienced it at least once in their lives. For instance, it might occur during a medical procedure, such as having blood drawn, where anxiety and fear can trigger the reaction. Understanding this condition is essential, not only for those who may experience it but also for healthcare professionals who need to manage patients effectively.The implications of vasovagal responses extend beyond mere fainting spells. Research has shown that individuals who frequently experience this phenomenon may have an increased sensitivity to stress. This can manifest in various ways, such as heightened anxiety levels or a tendency to avoid situations that could provoke a vasovagal episode. Therefore, recognizing the signs and understanding the triggers can empower individuals to take proactive measures to mitigate their risk.Moreover, treatment options for recurrent vasovagal syncope often focus on lifestyle modifications and behavioral strategies. Patients are often advised to stay hydrated, avoid prolonged standing, and learn techniques to counteract the onset of symptoms. In some cases, medications may be prescribed to help regulate the autonomic nervous system's response. Education plays a vital role in managing this condition, enabling individuals to understand their bodies better and respond appropriately when they sense an impending episode.In conclusion, the study of vasovagal syncope offers a glimpse into the intricate workings of the human body and its responses to various stimuli. By understanding this phenomenon, we can better appreciate how our autonomic nervous system regulates essential functions like heart rate and blood pressure. Moreover, it emphasizes the importance of awareness and education in managing health conditions that may seem trivial but can significantly impact an individual's quality of life. Therefore, further research and public awareness about vasovagal responses can lead to improved outcomes for those affected by this common yet often misunderstood condition.

人类身体是一个复杂的系统,依赖于各种机制来维持体内平衡。其中一种机制涉及自主神经系统,它控制着非自愿的身体功能。在其众多功能中,它在调节心率和血压方面发挥着关键作用。与此系统相关的一个迷人现象被称为血管迷走晕厥,这是一种由于心率和血压突然下降而导致昏厥的情况。理解血管迷走反应可以提供关于我们身体如何对压力和某些刺激作出反应的宝贵见解。当某人经历血管迷走反应时,通常是对特定触发因素的反应。这些触发因素可能包括情绪困扰、极度疼痛,甚至是站立过快。身体通过激活迷走神经作出反应,这导致血管扩张和心率下降。因此,流向大脑的血液减少,使个体感到头晕或昏厥。这种生理反应是身体保护自己的方式,通常是在跌倒时防止受伤。有趣的是,血管迷走晕厥并不罕见;许多人一生中至少经历过一次。例如,它可能发生在医疗程序中,例如抽血,在这种情况下,焦虑和恐惧可能会触发反应。理解这种情况至关重要,不仅对可能经历它的人来说,对需要有效管理患者的医疗专业人员也同样重要。血管迷走反应的影响超出了简单的晕厥发作。研究表明,频繁经历这种现象的个体可能对压力的敏感性增加。这可能以多种方式表现出来,例如焦虑水平升高或倾向于避免可能引发血管迷走发作的情况。因此,识别症状并理解触发因素可以使个体采取积极措施来降低风险。此外,针对反复出现的血管迷走晕厥的治疗方案通常侧重于生活方式的改变和行为策略。患者通常被建议保持水分,避免长时间站立,并学习应对症状发作的技巧。在某些情况下,可能会开处方药物来帮助调节自主神经系统的反应。教育在管理这种情况中起着至关重要的作用,使个体能够更好地理解自己的身体,并在感知到即将发生的发作时做出适当的反应。总之,研究血管迷走晕厥提供了对人类身体复杂运作及其对各种刺激反应的深刻了解。通过理解这一现象,我们可以更好地欣赏自主神经系统如何调节心率和血压等基本功能。此外,它强调了意识和教育在管理可能看似微不足道但对个人生活质量产生重大影响的健康状况中的重要性。因此,进一步的研究和公众对血管迷走反应的认识可以改善受此常见但常常被误解的情况影响的人的结果。