stroke volume

简明释义

冲程容积

英英释义

例句

1.Athletes often have a higher stroke volume 每搏输出量 due to their training and cardiovascular adaptations.

运动员通常由于训练和心血管适应而具有更高的每搏输出量。

2.A decrease in stroke volume 每搏输出量 can indicate heart failure or other cardiac issues.

减少的每搏输出量可能表明心力衰竭或其他心脏问题。

3.Monitoring stroke volume 每搏输出量 can help assess a patient's recovery after surgery.

监测每搏输出量可以帮助评估患者手术后的恢复情况。

4.During exercise, the heart's stroke volume 每搏输出量 typically increases to supply more oxygen to the muscles.

在运动过程中，心脏的每搏输出量通常会增加，以向肌肉提供更多氧气。

5.The doctor explained that increasing the stroke volume 每搏输出量 can enhance overall cardiovascular efficiency.

医生解释说，增加每搏输出量可以提高整体心血管效率。

作文

The human body is a complex system that requires various functions to work in harmony for optimal health. One crucial aspect of cardiovascular health is the heart's ability to pump blood efficiently throughout the body. A key measure of this efficiency is the concept of stroke volume, which refers to the amount of blood ejected by the heart with each contraction. Understanding stroke volume is essential for anyone interested in fitness, medicine, or overall health. To grasp the significance of stroke volume, it is important to first understand how the heart functions. The heart operates as a pump, consisting of four chambers: two atria and two ventricles. When the heart contracts, it pushes blood from the ventricles into the arteries, supplying oxygen and nutrients to the body. The volume of blood that is pumped out during each heartbeat is what we refer to as stroke volume. This measurement can vary based on several factors, including the individual's level of fitness, age, and overall health.In healthy individuals, the average stroke volume is typically between 60 to 100 milliliters per beat. Athletes, particularly those who engage in endurance sports, often have a higher stroke volume, which allows their hearts to pump more blood with each contraction. This increased efficiency means that athletes can maintain a higher level of performance with less effort compared to non-athletes. When examining the importance of stroke volume, it is also crucial to consider its relationship with heart rate. The cardiac output, which is the total volume of blood the heart pumps per minute, is determined by both stroke volume and heart rate. The formula is simple: Cardiac Output = Stroke Volume × Heart Rate. This means that if an individual has a higher stroke volume, they may achieve adequate blood flow even at a lower heart rate, which is particularly beneficial during physical activity.Moreover, monitoring stroke volume can provide valuable insights into a person’s cardiovascular health. For instance, a decrease in stroke volume can be an early indicator of heart problems or other health issues. Medical professionals often use echocardiograms to measure stroke volume and assess heart function. By understanding these metrics, doctors can make informed decisions about treatment and lifestyle recommendations.In conclusion, stroke volume is a vital measure of heart function and overall health. Whether you are an athlete striving for peak performance or someone simply looking to maintain good health, understanding your stroke volume can offer important insights into your cardiovascular efficiency. By focusing on activities that promote heart health, such as regular exercise, a balanced diet, and stress management, individuals can improve their stroke volume and enhance their overall well-being. Recognizing the importance of this metric not only empowers individuals to take charge of their health but also underscores the intricate relationship between heart function and physical fitness.

人体是一个复杂的系统，需要各种功能协调运作以实现最佳健康。心脏有效地将血液泵送到全身是心血管健康的一个关键方面。这个效率的一个重要衡量标准是“搏出量”的概念，指的是心脏每次收缩排出的血液量。理解搏出量对于任何对健身、医学或整体健康感兴趣的人来说都是至关重要的。要理解搏出量的重要性，首先需要了解心脏的功能。心脏作为泵，由四个腔室组成：两个心房和两个心室。当心脏收缩时，它将血液从心室推入动脉，为身体提供氧气和养分。每次心跳排出的血液量就是我们所称的搏出量。这个测量值可能会根据个体的健身水平、年龄和整体健康状况而有所不同。在健康个体中，平均搏出量通常在每次心跳60到100毫升之间。运动员，特别是那些参与耐力运动的人，往往具有更高的搏出量，这使得他们的心脏每次收缩能够泵送更多的血液。这种效率的提高意味着运动员在保持较高的表现时所需的努力较少，与非运动员相比。在研究搏出量的重要性时，还必须考虑其与心率的关系。心输出量，即心脏每分钟泵送的总血液量，是由搏出量和心率共同决定的。公式很简单：心输出量 = 搏出量 × 心率。这意味着如果一个人的搏出量较高，他们可能在较低的心率下也能获得足够的血流，这在身体活动中尤为有利。此外，监测搏出量可以提供关于个人心血管健康的宝贵见解。例如，搏出量的减少可能是心脏问题或其他健康问题的早期指标。医疗专业人员常常使用超声心动图来测量搏出量并评估心脏功能。通过理解这些指标，医生可以做出明智的治疗和生活方式建议。总之，搏出量是衡量心脏功能和整体健康的重要指标。无论你是追求最佳表现的运动员，还是只是想保持良好健康的人，理解你的搏出量都能为你的心血管效率提供重要的见解。通过关注促进心脏健康的活动，如定期锻炼、均衡饮食和压力管理，个人可以改善自己的搏出量，增强整体健康。认识到这一指标的重要性不仅使个人能够掌控自己的健康，还强调了心脏功能与身体健康之间的复杂关系。