auriculo ventricular bundle

简明释义

房室束

英英释义

例句

1.During an ECG, doctors look for abnormalities in the auriculo ventricular bundle (房室束) conduction.

在心电图中，医生会寻找auriculo ventricular bundle（房室束）传导的异常。

2.A blockage in the auriculo ventricular bundle (房室束) can lead to serious arrhythmias.

在auriculo ventricular bundle（房室束）中的阻塞可能会导致严重的心律失常。

3.In patients with heart disease, the function of the auriculo ventricular bundle (房室束) may be compromised.

在患有心脏病的患者中，auriculo ventricular bundle（房室束）的功能可能受到损害。

4.The auriculo ventricular bundle (房室束) is crucial for maintaining a normal heart rhythm.

auriculo ventricular bundle（房室束）对于维持正常的心脏节律至关重要。

5.The electrical signals in the heart travel through the auriculo ventricular bundle (房室束) to coordinate contractions.

心脏中的电信号通过auriculo ventricular bundle（房室束）传递，以协调收缩。

作文

The human heart is an intricate organ responsible for pumping blood throughout the body. It consists of various components that work together to ensure its proper function. One critical structure within the heart is the auriculo ventricular bundle, which plays a pivotal role in the conduction system of the heart. Understanding the functions and significance of the auriculo ventricular bundle is essential for grasping how the heart maintains its rhythm and effectively circulates blood.The auriculo ventricular bundle, also known as the bundle of His, is a collection of heart muscle cells specialized for electrical conduction. It is located between the atria and the ventricles of the heart. This bundle is crucial because it transmits electrical impulses from the atrioventricular (AV) node to the ventricles, ensuring that they contract in a coordinated manner. Without the proper functioning of the auriculo ventricular bundle, the heart would not be able to maintain a regular heartbeat, leading to potential arrhythmias or other cardiac issues.The conduction system of the heart begins with the sinoatrial (SA) node, which generates electrical impulses that cause the atria to contract. Once these impulses reach the AV node, there is a brief delay that allows the atria to fully empty their blood into the ventricles. Following this delay, the auriculo ventricular bundle carries the impulse down through the interventricular septum, branching into the right and left bundle branches. These branches extend into the ventricles, where they further divide into Purkinje fibers that distribute the electrical signal throughout the ventricular walls.The precise timing of these electrical impulses is vital for the heart's efficiency. If the auriculo ventricular bundle is damaged or malfunctioning, it can lead to a range of problems, including heart block, where the electrical signals are delayed or completely blocked. This condition can result in a slower heart rate or even a complete failure of the ventricles to contract, necessitating medical intervention such as a pacemaker.Moreover, the health of the auriculo ventricular bundle can be affected by various factors, including age, heart disease, and lifestyle choices. Conditions such as hypertension, diabetes, and coronary artery disease can compromise the integrity of the conduction system, highlighting the importance of maintaining cardiovascular health through regular exercise, a balanced diet, and routine medical check-ups.In conclusion, the auriculo ventricular bundle is a fundamental component of the heart's conduction system. Its role in transmitting electrical impulses ensures that the heart beats in a synchronized manner, allowing for efficient blood circulation. A thorough understanding of the auriculo ventricular bundle and its function can aid in recognizing the signs of cardiac dysfunction and the importance of preventive measures for heart health. As we continue to learn more about the complexities of the heart, the significance of structures like the auriculo ventricular bundle becomes increasingly clear, reminding us of the delicate balance required for optimal cardiovascular function.

人类心脏是一个复杂的器官，负责将血液泵送到全身。它由各种组件组成，这些组件共同工作，以确保其正常功能。心脏内一个关键结构是房室束，它在心脏的传导系统中发挥着重要作用。理解房室束的功能和重要性对于掌握心脏如何维持节律并有效循环血液至关重要。房室束，也称为希斯束，是一组专门用于电传导的心肌细胞。它位于心脏的心房和心室之间。这个束至关重要，因为它将电信号从房室（AV）节点传递到心室，确保心室以协调的方式收缩。如果房室束不能正常工作，心脏将无法维持规律的心跳，可能导致心律失常或其他心脏问题。心脏的传导系统始于窦房（SA）结，它产生电信号，使心房收缩。一旦这些信号到达AV节点，就会有短暂的延迟，让心房完全将血液排入心室。在这段延迟之后，房室束将信号通过室间隔向下传导，分支成右束支和左束支。这些分支延伸到心室，在那里进一步分支成浦肯耶纤维，将电信号分布到心室壁。这些电信号的精确时机对于心脏的效率至关重要。如果房室束受损或功能不良，可能会导致一系列问题，包括心脏传导阻滞，即电信号延迟或完全阻塞。这种情况可能导致心率减慢，甚至心室完全无法收缩，需要医疗干预，如起搏器。此外，房室束的健康可能受到多种因素的影响，包括年龄、心脏病和生活方式选择。高血压、糖尿病和冠状动脉疾病等病症可能会损害传导系统的完整性，这突显了通过定期锻炼、均衡饮食和常规体检来维持心血管健康的重要性。总之，房室束是心脏传导系统的基本组成部分。它在传递电信号中的作用确保心脏以同步的方式跳动，从而实现有效的血液循环。透彻理解房室束及其功能可以帮助识别心脏功能障碍的迹象以及预防心脏健康的重要性。随着我们对心脏复杂性的了解不断加深，像房室束这样的结构的重要性变得愈加明显，提醒我们保持最佳心血管功能所需的微妙平衡。