systole

简明释义

英[ˈsɪstəli]美[ˈsɪstəli]

n. 心脏收缩

英英释义

单词用法

同义词

反义词

例句

1.Each heartbeat has two basic parts: diastole and atrial and ventricular systole.

每一次心脏跳动都包含两个基本部分：舒张期以及方式收缩期。

2.The line that play a base must achieve 12 millimeter thick, mask systole to seam hard otherwise;

踢脚线必须达到12毫米厚，否则难以掩盖收缩缝；

3.Regional left ventricular contractile dysfunction induced by ischemia is associated with less thickening of regional wall and a larger ventricular radius at end-systole.

心肌缺血引起局部左室收缩功能减低常伴有心室内径增大和局部室壁变薄。

4.There was no significant difference int test in EMG wave amplitude, maximum tetanized systole tensile strength and duration of isometric contraction.

两侧肌电图波幅、等长收缩时最大强直收缩张力及持续时间进行自身t检验比较均无显著差异。

5.DV Doppler waveform of this dextrocardia fetus showed a nearly ab - sent atrial systole wave.

右位心胎儿DV多普勒血流波形的心房收缩波近缺失。

6.In some specific systole controls a cost, diastolic pressure is lower, pressing of arteries and veins is bigger, cardiovascular ill risk is bigger.

在某一特定收缩压值，舒张压越低，脉压越大，心血管病危险越大。

7.Abnormalities in systole can lead to various heart conditions, including heart failure.

systole 的异常可能导致各种心脏疾病，包括心力衰竭。

8.Doctors often measure blood pressure during systole to assess heart health.

医生通常在 systole 期间测量血压以评估心脏健康。

9.In an ECG, the systole is represented by the QRS complex, indicating the contraction of the ventricles.

在心电图中，systole 由QRS波群表示，指示心室的收缩。

10.The systole phase is crucial for ensuring that oxygen-rich blood reaches the body's tissues.

systole 阶段对于确保富含氧气的血液到达身体组织至关重要。

11.During the cardiac cycle, systole refers to the phase when the heart muscle contracts and pumps blood out of the chambers.

在心脏周期中，systole 指的是心肌收缩并将血液泵出腔室的阶段。

作文

The human body is an intricate system composed of various organs that work together to maintain life. Among these organs, the heart plays a crucial role in pumping blood throughout the body. To understand how the heart functions, it is essential to grasp the concept of systole, which refers to the phase of the cardiac cycle during which the heart muscles contract and pump blood out of the chambers. This process is vital for ensuring that oxygen-rich blood reaches the tissues and organs that require it for proper function.During systole, the heart's ventricles contract forcefully, propelling blood into the arteries. This contraction is triggered by electrical impulses generated by the sinoatrial node, often referred to as the heart's natural pacemaker. As the ventricles contract, the pressure within them rises, causing the atrioventricular valves to close and preventing backflow of blood into the atria. The aortic and pulmonary valves then open, allowing blood to flow into the aorta and pulmonary artery, respectively.Understanding systole is crucial not only for those studying medicine but also for anyone interested in maintaining their cardiovascular health. A healthy heart should exhibit a normal systole phase, characterized by adequate contraction strength and efficiency. When the heart is functioning optimally, it can effectively supply the body with the necessary nutrients and oxygen, while also removing waste products. However, various conditions can affect the heart's ability to undergo proper systole. For instance, heart diseases such as hypertrophic cardiomyopathy or heart failure can impair the heart's contraction capabilities, leading to insufficient blood flow to vital organs.Moreover, the rhythm of systole is equally important. Irregularities in the heart's electrical conduction system can lead to arrhythmias, which may disrupt the timing of systole and diastole (the relaxation phase of the heart). This imbalance can result in symptoms such as fatigue, dizziness, or even fainting spells. Therefore, monitoring the heart's rhythm and understanding the phases of the cardiac cycle is essential for early detection and management of potential heart issues.In summary, systole is a fundamental aspect of the cardiac cycle that signifies the contraction phase of the heart. It is vital for the effective circulation of blood throughout the body. By understanding the mechanics behind systole, individuals can appreciate the importance of heart health and recognize potential warning signs of cardiovascular problems. Regular check-ups, a balanced diet, and an active lifestyle are essential components in promoting a healthy heart and ensuring that the systole phase operates efficiently. Ultimately, knowledge about systole empowers individuals to take proactive steps toward maintaining their cardiovascular well-being and enhancing their overall quality of life.

人类身体是一个复杂的系统，由各种器官组成，这些器官共同工作以维持生命。在这些器官中，心脏在推动血液循环方面发挥着至关重要的作用。要理解心脏的功能，必须掌握systole这个概念，它指的是心动周期中的一个阶段，在此阶段，心肌收缩并将血液泵出心室。这一过程对确保富含氧气的血液到达需要它的组织和器官至关重要。在systole期间，心脏的心室强有力地收缩，将血液推动进入动脉。这种收缩是由窦房结产生的电信号触发的，窦房结常被称为心脏的天然起搏器。当心室收缩时，心室内的压力上升，导致房室瓣关闭，防止血液回流到心房。主动脉瓣和肺动脉瓣随后打开，使血液流入主动脉和肺动脉。理解systole不仅对医学专业人士至关重要，也对任何想要维持心血管健康的人来说都是必要的。健康的心脏应该表现出正常的systole阶段，特征是收缩强度和效率适当。当心脏正常运作时，它能够有效地向身体提供所需的营养和氧气，同时排除废物。然而，各种情况可能会影响心脏进行适当systole的能力。例如，心脏病如肥厚型心肌病或心力衰竭可能会损害心脏的收缩能力，导致重要器官的血流不足。此外，systole的节律同样重要。心脏电传导系统的不规则性可能导致心律失常，从而干扰systole和舒张期（心脏放松阶段）的时序。这种不平衡可能导致疲劳、头晕或甚至晕厥等症状。因此，监测心脏的节律并理解心动周期的各个阶段对于早期发现和管理潜在的心脏问题至关重要。总之，systole是心动周期的一个基本方面，代表心脏的收缩阶段。它对血液在体内的有效循环至关重要。通过理解systole背后的机制，个人可以更好地认识心脏健康的重要性，并识别潜在的心血管问题的警示信号。定期检查、均衡饮食和积极生活方式是促进健康心脏的基本组成部分，确保systole阶段高效运作。最终，关于systole的知识使个人能够采取主动措施，维护心血管健康，提高整体生活质量。