cardiac valve
简明释义
心瓣
英英释义
A cardiac valve is a structure in the heart that regulates blood flow between the chambers of the heart and prevents backflow, ensuring efficient circulation. | 心脏瓣膜是心脏内的一种结构,调节心腔之间的血液流动并防止血液回流,确保有效的循环。 |
例句
1.Doctors monitor the function of the cardiac valve during routine check-ups.
医生在常规检查中监测心脏瓣膜的功能。
2.An echocardiogram can help visualize the condition of the cardiac valve.
超声心动图可以帮助可视化心脏瓣膜的状况。
3.Replacement of the cardiac valve is sometimes necessary in severe cases.
在严重情况下,有时需要更换心脏瓣膜。
4.The surgeon explained the importance of the cardiac valve in regulating blood flow.
外科医生解释了心脏瓣膜在调节血流中的重要性。
5.Patients with a malfunctioning cardiac valve may experience shortness of breath.
患有功能失常的心脏瓣膜的患者可能会感到呼吸急促。
作文
The human heart is a remarkable organ, responsible for pumping blood throughout the body and ensuring that all tissues receive the oxygen and nutrients they need to function properly. One of the critical components of the heart that plays a vital role in this process is the cardiac valve (心脏瓣膜). These valves are crucial for maintaining unidirectional blood flow through the heart chambers and preventing any backflow that could compromise the efficiency of the circulatory system. There are four main cardiac valves (心脏瓣膜) in the human heart: the mitral valve, the tricuspid valve, the pulmonary valve, and the aortic valve. Each of these valves has a specific function and location within the heart. The mitral valve, located between the left atrium and the left ventricle, allows oxygen-rich blood to flow from the lungs into the heart and prevents it from flowing backward. Similarly, the tricuspid valve, situated between the right atrium and the right ventricle, facilitates blood flow from the body to the heart's right side, ensuring that deoxygenated blood moves toward the lungs for reoxygenation.The pulmonary valve and the aortic valve are positioned at the exits of the right and left ventricles, respectively. The pulmonary valve controls blood flow from the right ventricle to the lungs, while the aortic valve regulates blood flow from the left ventricle to the rest of the body. The proper functioning of these cardiac valves (心脏瓣膜) is essential for maintaining effective circulation and overall cardiovascular health.In cases where the cardiac valves (心脏瓣膜) become damaged or diseased, various health issues can arise. Conditions such as stenosis, where a valve becomes narrowed and restricts blood flow, or regurgitation, where a valve fails to close properly and allows blood to leak backward, can lead to serious complications. Symptoms may include fatigue, shortness of breath, and swelling in the legs or abdomen. Therefore, it is vital to monitor heart health and seek medical attention if any concerning symptoms arise.Advancements in medical technology have led to improved methods for diagnosing and treating cardiac valve (心脏瓣膜) disorders. Echocardiograms, for example, are non-invasive imaging techniques that allow doctors to visualize the heart's structure and assess the functionality of its valves. In some cases, medication may be prescribed to manage symptoms, while more severe cases might require surgical intervention, such as valve repair or replacement.Understanding the importance of cardiac valves (心脏瓣膜) in our cardiovascular system is crucial for appreciating how our bodies function. By maintaining healthy lifestyle choices—such as regular exercise, a balanced diet, and avoiding smoking—we can help protect our heart and its vital components. Regular check-ups with healthcare professionals can also ensure that any potential issues with the cardiac valves (心脏瓣膜) are identified and addressed early on.In conclusion, the cardiac valve (心脏瓣膜) is an integral part of the heart's anatomy, playing a fundamental role in the circulatory system. Awareness and understanding of their function and significance can lead to better heart health and overall well-being. As we continue to learn more about the complexities of the heart, we can take proactive steps to safeguard this vital organ and ensure that it continues to function effectively throughout our lives.
人类的心脏是一个非凡的器官,负责将血液泵送到全身,确保所有组织获得所需的氧气和营养物质以正常运作。心脏中一个关键组成部分在这一过程中发挥着重要作用,那就是心脏瓣膜(cardiac valve)。这些瓣膜对于维持血液在心脏腔室中的单向流动至关重要,并防止任何可能危及循环系统效率的回流。人类心脏有四个主要的心脏瓣膜(cardiac valves):二尖瓣、三尖瓣、肺动脉瓣和主动脉瓣。每个瓣膜在心脏内都有特定的功能和位置。二尖瓣位于左心房和左心室之间,允许富含氧气的血液从肺部流入心脏,并防止其回流。同样,三尖瓣位于右心房和右心室之间,促进血液从身体流向心脏的右侧,确保缺氧血液向肺部移动以重新获得氧气。肺动脉瓣和主动脉瓣分别位于右心室和左心室的出口。肺动脉瓣控制从右心室到肺部的血液流动,而主动脉瓣调节从左心室到全身其他部位的血液流动。这些心脏瓣膜(cardiac valves)的正常功能对于维持有效的循环和整体心血管健康至关重要。如果心脏瓣膜(cardiac valves)受损或患病,可能会出现各种健康问题。诸如狭窄(stenosis)等疾病会导致瓣膜变窄,限制血液流动;或回流(regurgitation),即瓣膜未能正确关闭,导致血液向后漏,这些情况都可能导致严重并发症。症状可能包括疲劳、呼吸急促以及腿部或腹部肿胀。因此,监测心脏健康并在出现任何令人担忧的症状时寻求医疗帮助至关重要。医学技术的进步使得诊断和治疗心脏瓣膜(cardiac valve)疾病的方法得到了改善。例如,超声心动图是一种无创成像技术,可以让医生可视化心脏结构并评估瓣膜的功能。在某些情况下,可能会开处方药物来管理症状,而更严重的病例可能需要外科干预,例如瓣膜修复或更换。理解心脏瓣膜(cardiac valves)在我们心血管系统中的重要性,对于欣赏我们身体的功能至关重要。通过保持健康的生活方式——例如定期锻炼、均衡饮食和避免吸烟——我们可以帮助保护我们的心脏及其重要组成部分。定期与医疗专业人员进行检查也可以确保及时识别和处理任何潜在的心脏瓣膜(cardiac valves)问题。总之,心脏瓣膜(cardiac valve)是心脏解剖学的重要组成部分,在循环系统中发挥着基本作用。对其功能和重要性的认识与理解,可以引导我们更好地维护心脏健康和整体福祉。随着我们继续了解心脏的复杂性,我们可以采取积极措施来保护这一重要器官,确保它在我们的生命中继续有效运作。
相关单词