hypoxia

简明释义

英[haɪˈpɒksiə]美[haɪˈpɑːksiə]

n. [医] 低氧；组织缺氧；氧不足

英英释义

单词用法

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例句

1.Breath-hold diving often leads to hypoxia, elevated blood pressure, slowed heartbeat and other physiological changes.

屏息潜水经常发生缺氧，血压升高，减慢心率，以及其他生理功能的改变。

2.Effects of Acute Hypoxia on Plasma Lactic Acid and Lactic Dehydrogenase Content in Pilots.

急性低压缺氧对飞行人员血浆乳酸及乳酸脱氢酶含量的影响。

3.Results:(1)The mouse hepatocyte appeared albuminous swelling and some nucleus of hepatocyte became smaller in hypoxia group.

结果：（1）缺氧组小鼠肝细胞出现混浊肿胀，部分肝细胞核变小；

4.Preparing for hypoxia and high altitude emergencies.

作好缺氧和高高度紧急情的准备。

5.Injuries of Vascular Endothelial Cells Due to Hypoxia Environment Among Young Soldiers Rapidly Entering Plateau.

高海拔地区低氧环境对新战士血管内皮细胞损害的研究。

6.Objective To compare the effects of oxygen therapy and local pressurization in alleviating plateau hypoxia at high altitude.

目的评价吸氧和局部增压对高原缺氧的治疗效果。

7.The changes in cerebral hemodynamics tightly connect with the degree of cerebral injuries after hypoxia.

在脑缺氧损伤时，脑血流参数的改变与损伤程度密切相关。

8.These signs of hypoxia are not dangerous in a healthy person.

这些供氧不足的特征对于一个健康的身体来说并不危险。

9.Arterial hypoxemia and tissue hypoxia maybe induced by tracheal suction.

吸痰可导致低氧血症和组织缺氧。

10.High-altitude climbers often experience hypoxia (缺氧) due to reduced oxygen levels in the atmosphere.

高海拔登山者常常因大气中氧气含量减少而经历缺氧。

11.Patients with chronic obstructive pulmonary disease may suffer from hypoxia (缺氧) if their condition is not managed properly.

慢性阻塞性肺病患者如果没有得到妥善管理，可能会遭受缺氧。

12.During intense exercise, the body can enter a state of hypoxia (缺氧) if the muscles do not receive enough oxygen.

在剧烈运动中，如果肌肉未能获得足够的氧气，身体可能会进入缺氧状态。

13.The pilot had to descend quickly to avoid hypoxia (缺氧) when flying at high altitudes.

飞行员在高空飞行时不得不迅速下降，以避免缺氧。

14.Neonatal hypoxia (新生儿缺氧) can lead to serious health complications if not addressed immediately.

如果不立即处理，新生儿缺氧可能会导致严重的健康并发症。

作文

Hypoxia is a condition characterized by insufficient oxygen levels in the tissues of the body. It can occur in various environments and situations, leading to serious health implications. Understanding hypoxia is essential not only for medical professionals but also for individuals who engage in activities at high altitudes or those with respiratory illnesses. In this essay, I will explore the causes, effects, and potential treatments for hypoxia (缺氧), highlighting its significance in both clinical and everyday contexts. The human body relies on a steady supply of oxygen to function properly. Oxygen is crucial for cellular metabolism, the process by which cells produce energy. When oxygen levels drop, the body cannot perform these functions efficiently, leading to a state of hypoxia (缺氧). There are several causes of hypoxia (缺氧), including environmental factors such as high altitudes, where the air pressure is lower and consequently, the oxygen availability is reduced. People who travel to mountainous regions without proper acclimatization may experience acute hypoxia (缺氧), which can result in symptoms such as headaches, dizziness, and shortness of breath. In addition to altitude, hypoxia (缺氧) can also be caused by medical conditions that affect the lungs, such as chronic obstructive pulmonary disease (COPD), asthma, or pneumonia. These conditions can impair the lungs' ability to transfer oxygen into the bloodstream, leading to decreased oxygen levels in the body. Furthermore, cardiovascular issues, such as heart failure, can also contribute to hypoxia (缺氧) by limiting the heart's capacity to pump oxygenated blood to various organs and tissues. The effects of hypoxia (缺氧) can vary depending on the severity and duration of the oxygen deficiency. In mild cases, individuals may experience fatigue, confusion, and impaired cognitive function. As hypoxia (缺氧) worsens, it can lead to more severe complications, including loss of consciousness, organ failure, and even death if not addressed promptly. The brain is particularly sensitive to low oxygen levels, and prolonged hypoxia (缺氧) can result in irreversible damage. To treat hypoxia (缺氧), it is crucial to identify and address the underlying cause. In cases related to altitude, descending to a lower elevation can alleviate symptoms. For individuals with respiratory conditions, supplemental oxygen therapy may be necessary to increase oxygen levels in the blood. Medications that open up the airways or reduce inflammation in the lungs can also be effective in managing hypoxia (缺氧). Preventative measures are equally important. For those who plan to engage in activities at high altitudes, gradual acclimatization is key. This allows the body to adapt to lower oxygen levels over time, reducing the risk of acute hypoxia (缺氧). Additionally, individuals with pre-existing lung or heart conditions should work closely with healthcare providers to manage their health and minimize the risk of experiencing hypoxia (缺氧). In conclusion, hypoxia (缺氧) is a critical condition that can arise from various causes and has significant implications for health. By understanding its causes, effects, and treatments, we can better prepare ourselves to manage and prevent hypoxia (缺氧) in our lives. Awareness and education about this condition are vital, especially for those at risk, as timely intervention can make all the difference in preserving health and well-being.

缺氧是一种以身体组织中氧气水平不足为特征的状态。它可以在各种环境和情况下发生，导致严重的健康影响。理解缺氧不仅对医疗专业人员至关重要，对于那些参与高海拔活动或患有呼吸系统疾病的人来说也是如此。在这篇文章中，我将探讨缺氧的原因、影响和潜在治疗方法，强调其在临床和日常生活中的重要性。 人体依赖稳定的氧气供应来正常运作。氧气对于细胞代谢至关重要，细胞代谢是细胞产生能量的过程。当氧气水平下降时，身体无法有效地执行这些功能，导致缺氧状态。缺氧的原因有很多，包括环境因素，例如高海拔地区，在那里气压较低，因此氧气的可用性减少。前往山区而没有适当适应的人可能会经历急性缺氧，这可能导致头痛、头晕和呼吸急促等症状。 除了海拔，缺氧还可以由影响肺部的医疗状况引起，例如慢性阻塞性肺病（COPD）、哮喘或肺炎。这些情况可能会影响肺部将氧气转移到血液中的能力，导致体内氧气水平降低。此外，心血管问题，如心力衰竭，也可能通过限制心脏泵送氧合血液到各个器官和组织的能力来导致缺氧。 缺氧的影响因氧气缺乏的严重程度和持续时间而异。在轻微的情况下，个体可能会感到疲劳、困惑和认知功能受损。随着缺氧加重，可能会导致更严重的并发症，包括失去意识、器官衰竭，甚至如果没有及时处理而导致死亡。大脑对低氧水平特别敏感，长期缺氧可能导致不可逆转的损伤。 治疗缺氧的关键是识别和解决根本原因。在与海拔相关的情况下，下降到较低的海拔可以缓解症状。对于患有呼吸系统疾病的个体，补充氧气疗法可能是必要的，以增加血液中的氧气水平。可以使用扩张气道或减轻肺部炎症的药物来有效管理缺氧。 预防措施同样重要。对于计划在高海拔地区进行活动的人来说，逐渐适应是关键。这使身体能够随着时间的推移适应较低的氧气水平，从而减少急性缺氧的风险。此外，患有既往肺部或心脏疾病的个体应与医疗提供者密切合作，以管理他们的健康并尽量减少经历缺氧的风险。 总之，缺氧是一种关键的状态，可能由于各种原因而发生，并对健康有重大影响。通过了解其原因、影响和治疗方法，我们可以更好地准备自己管理和预防生活中的缺氧。对这种情况的认识和教育至关重要，尤其是对于那些处于风险中的人，因为及时干预可以在保护健康和福祉方面发挥重要作用。