tube voltage

简明释义

电子管电压

英英释义

例句

1.Increasing the tube voltage can reduce the radiation dose required for imaging.

增加管电压可以减少成像所需的辐射剂量。

2.Before starting the scan, the operator verified the tube voltage on the control panel.

在开始扫描之前，操作员在控制面板上验证了管电压。

3.The technician adjusted the tube voltage to optimize the image quality during the X-ray procedure.

技术人员调整了管电压以优化X光检查中的图像质量。

4.Proper calibration of the tube voltage is crucial for accurate diagnostic results.

正确校准管电压对准确的诊断结果至关重要。

5.The radiologist noted that the tube voltage setting was too low for the patient's size.

放射科医生指出，患者的体型下管电压设置过低。

作文

Understanding the concept of tube voltage is essential for anyone involved in the fields of radiography or medical imaging. The term refers to the electrical potential difference applied across the cathode and anode of an X-ray tube, which plays a crucial role in the production of X-rays. When a high voltage is applied, electrons are accelerated from the cathode towards the anode, resulting in the emission of X-rays upon their collision with the anode material. This process is fundamental in generating the images that allow healthcare professionals to diagnose various conditions. In practical terms, adjusting the tube voltage can significantly influence the quality of the X-ray images produced. A higher tube voltage increases the energy of the X-rays, leading to better penetration through dense tissues, such as bones. This is particularly important in situations where accurate imaging of skeletal structures is required. Conversely, a lower tube voltage may be used when imaging softer tissues, as it can enhance contrast, making it easier to identify abnormalities. Moreover, the choice of tube voltage is not merely a technical decision; it also has implications for patient safety and comfort. Higher voltages can result in greater radiation exposure, which raises concerns regarding the long-term effects of radiation on patients. Therefore, radiologic technologists must carefully consider the appropriate tube voltage to balance image quality with radiation dose. This consideration is particularly pertinent in pediatric radiology, where children are more sensitive to radiation. In addition to its clinical applications, understanding tube voltage is also vital for equipment maintenance and troubleshooting. If an X-ray machine is not functioning correctly, issues related to the tube voltage might be one of the culprits. For instance, if the tube voltage is too low, it may lead to underexposed images, while excessively high tube voltage could cause overexposure, both of which compromise diagnostic efficacy. Furthermore, advancements in technology have introduced automatic exposure control (AEC) systems that adjust the tube voltage in real-time based on the patient's size and the area being imaged. This innovation enhances the efficiency of the imaging process and ensures optimal image quality while minimizing radiation exposure. In conclusion, the concept of tube voltage is multifaceted, encompassing aspects of physics, patient care, and technology. For those working in medical imaging, a thorough understanding of tube voltage is crucial for producing high-quality images, ensuring patient safety, and maintaining equipment functionality. As technology continues to evolve, ongoing education about tube voltage and its implications will remain a key component of professional development in the field of radiology. Ultimately, mastering the nuances of tube voltage not only enhances the effectiveness of medical imaging practices but also contributes to improved patient outcomes, underscoring its importance in modern healthcare.

理解管电压的概念对于任何参与放射摄影或医学成像领域的人来说都是至关重要的。这个术语指的是施加在X射线管的阴极和阳极之间的电位差，这在X射线的产生中起着关键作用。当施加高电压时，电子从阴极加速向阳极移动，并在与阳极材料碰撞时发出X射线。这一过程对于生成使医疗专业人员能够诊断各种病症的图像是基础性的。 在实际操作中，调整管电压可以显著影响所产生的X射线图像的质量。较高的管电压会增加X射线的能量，从而提高其穿透密集组织（如骨骼）的能力。这在需要准确成像骨骼结构的情况下尤为重要。相反，在成像软组织时，可能会使用较低的管电压，因为它可以增强对比度，使识别异常更容易。 此外，选择管电压不仅仅是技术决策；它还涉及患者安全和舒适的问题。较高的电压可能导致更大的辐射暴露，这引发了关于辐射对患者长期影响的担忧。因此，放射技师必须仔细考虑适当的管电压以平衡图像质量和辐射剂量。这种考虑在儿童放射学中尤为重要，因为儿童对辐射更为敏感。 除了临床应用，理解管电压对于设备维护和故障排除也至关重要。如果X射线机无法正常工作，与管电压相关的问题可能是罪魁祸首之一。例如，如果管电压过低，可能导致图像曝光不足，而过高的管电压则可能导致过度曝光，这两者都会影响诊断效果。 此外，技术的进步引入了自动曝光控制（AEC）系统，这些系统根据患者的大小和成像区域实时调整管电压。这一创新提高了成像过程的效率，并确保在最小化辐射暴露的同时获得最佳图像质量。 总之，管电压的概念是多方面的，涵盖了物理学、患者护理和技术等方面。对于从事医学成像的人来说，全面理解管电压对于生成高质量图像、确保患者安全和维护设备功能至关重要。随着技术的不断发展，有关管电压及其影响的持续教育将仍然是放射学领域专业发展的关键组成部分。 最终，掌握管电压的细微差别不仅提高了医学成像实践的有效性，还促进了改善患者结果，突显了其在现代医疗中的重要性。