Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Assessment of Ventilation I: Respiratory Rate01:20

Assessment of Ventilation I: Respiratory Rate

Assessment of Ventilation
A Ventilation assessment is critical for monitoring a patient's health status. Respiration, one of the most accessible vital signs, provides insights into the function of numerous body systems and can indicate serious health issues, such as brainstem injuries from head trauma.
Critical Guidelines for Assessing Ventilation:
Assessment of Ventilation II: Respiratory Depth and Rhythm01:29

Assessment of Ventilation II: Respiratory Depth and Rhythm

Respiratory Depth
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
Quality Assurance01:19

Quality Assurance

Quality assurance is the overarching term used to describe the activities employed to ensure the proper performance of a system. These activities can be classified into three categories: quality control, quality assessment, and internal corrective measures. Typically, these activities work cyclically: quality control is performed before and during the analysis, while quality assessment occurs during and after the investigation. Internal corrective measures are implemented based on the findings...
Respiratory System Abnormal Finding I: Inspection and Percussion01:30

Respiratory System Abnormal Finding I: Inspection and Percussion

Respiratory system abnormalities are a significant concern in healthcare due to their potential to indicate underlying severe conditions like Chronic Obstructive Pulmonary Disease (COPD), asthma, and pneumonia. These abnormalities can often be detected through physical examination methods like inspection and percussion.
Inspection Findings
During an inspection, several findings may suggest the presence of respiratory distress or disease. Pursed-lip breathing, where exhalation is slowed by...
Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen01:16

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen

Oxygen therapy is a pivotal aspect of medical care, particularly for patients with respiratory ailments. Two prominent oxygen-delivering systems include the Venturi mask and the transtracheal oxygen catheter.
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...
Administering Oxygen by Mask01:30

Administering Oxygen by Mask

Administering Oxygen by Mask
Administering oxygen by mask is a common nursing intervention that provides supplemental oxygen to patients with respiratory distress or chronic lung conditions. This procedure involves delivering oxygen at a specified rate through a face mask connected to an oxygen source.
Equipment
The equipment necessary for this procedure includes:

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Leaf-Specific Classification of Multi-Leaf Collimator Positioning Errors in Volumetric Modulated Arc Therapy Using a Convolutional Neural Network.

Journal of clinical medicine·2026
Same author

Dictionary-Augmented Large Language Model Postprocessing for Bilingual Code-Switched Medical Speech Recognition: Development and Evaluation Study.

Journal of medical Internet research·2026
Same author

Dose-Dependent LET Constraints and Constraint Resolution for Interpreting Proton Therapy Toxicity.

International journal of radiation oncology, biology, physics·2026
Same author

Experimentally determined proton discrete spot scanning time structures for an improved synchrotron-based PBS spot delivery time model.

Medical physics·2026
Same author

Quantitative assessment of CBCT image quality metrics and their translation to clinical Art workflow performance in breast cancer patients.

Journal of applied clinical medical physics·2026
Same author

Technical evaluation of non-coplanar lattice radiotherapy: achieving directional VPDR uniformity with a 5-mm leaf width multi-leaf collimator.

Frontiers in oncology·2026

相关实验视频

Updated: Jun 26, 2026

Management of Respiratory Motion Artefacts in 18F-fluorodeoxyglucose Positron Emission Tomography using an Amplitude-Based Optimal Respiratory Gating Algorithm
06:53

Management of Respiratory Motion Artefacts in 18F-fluorodeoxyglucose Positron Emission Tomography using an Amplitude-Based Optimal Respiratory Gating Algorithm

Published on: July 23, 2020

5.5K

基于日志文件的呼吸道门系统质量保证方法.

Wonjoong Cheon1, Young Kyu Lee1, Yunji Seol2

  • 1Department of Radiation Oncology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.

Journal of applied clinical medical physics
|April 8, 2025
PubMed
概括

这项研究引入了一种基于日志文件的质量保证 (QA) 方法,用于呼吸门辐射治疗. 新的质量保证方法确保了辐射输送和瘤运动之间的准确同步,提高了患者的安全性.

关键词:
基于日志文件的分析RGSC (扫描仪的呼吸门) 系统质量保证 (QA) 是指质量保证 (QA) 是指质量保证.辐射治疗疗法 辐射治疗疗法呼吸道门封闭的情况

更多相关视频

Conducting Respiratory Oscillometry in an Outpatient Setting
14:49

Conducting Respiratory Oscillometry in an Outpatient Setting

Published on: April 8, 2022

6.8K
Author Spotlight: Optimized Lung MRI Protocol with Computationally Efficient Reconstruction Methods
05:07

Author Spotlight: Optimized Lung MRI Protocol with Computationally Efficient Reconstruction Methods

Published on: September 6, 2024

257

相关实验视频

Last Updated: Jun 26, 2026

Management of Respiratory Motion Artefacts in 18F-fluorodeoxyglucose Positron Emission Tomography using an Amplitude-Based Optimal Respiratory Gating Algorithm
06:53

Management of Respiratory Motion Artefacts in 18F-fluorodeoxyglucose Positron Emission Tomography using an Amplitude-Based Optimal Respiratory Gating Algorithm

Published on: July 23, 2020

5.5K
Conducting Respiratory Oscillometry in an Outpatient Setting
14:49

Conducting Respiratory Oscillometry in an Outpatient Setting

Published on: April 8, 2022

6.8K
Author Spotlight: Optimized Lung MRI Protocol with Computationally Efficient Reconstruction Methods
05:07

Author Spotlight: Optimized Lung MRI Protocol with Computationally Efficient Reconstruction Methods

Published on: September 6, 2024

257

科学领域:

  • 医学物理 医学物理
  • 辐射瘤学 辐射瘤学
  • 质量保证 质量保证 质量保证

背景情况:

  • 医疗线性加速器的进步使得更高的剂量速率可提供,增加了低分离方案的使用.
  • 低分离需要强大的呼吸门系统来与瘤运动同步辐射输送.
  • 有效的质量保证 (QA) 对于确保治疗准确性和患者在封闭放射治疗中的安全至关重要.

研究的目的:

  • 提出和评估一种新的基于日志文件的质量保证方法,用于呼吸门辐射疗法.
  • 通过日志文件分析评估呼吸门系统和处理机器的准确性和可重复性.
  • 建立一个高效和客观的质量保证程序,用于封闭式辐射疗法.

主要方法:

  • 在4DCT扫描中使用了Varian运动幻影和呼吸门扫描仪 (RGSC).
  • 制定了一项治疗计划,其中包括特定的呼吸阶段 (25%-75%),并将其交付给一个幻影.
  • 利用内部软件进行时间同步评估,提取和分析治疗日志 (呼吸信号,光束标志).
  • 用离子室进行输出测量,并获得EPID图像,用于剂量计准确性和光束传递时间的验证.

主要成果:

  • 对日志文件的分析表明,呼吸阶段和光束触发器之间的时间同步是精确的 (平均时间差异<0.05秒).
  • 据日志推导的Beam-on持续时间与计划的持续时间密切匹配,在三个月内具有很高的一致性.
  • 离子室测量证实了门和非门模式之间的剂量测量一致,差异很小 (0.05 cGy ± 0.09 cGy).

结论:

  • 拟议的基于日志文件的质量保证方法准确且可重复地评估呼吸门的性能.
  • 这种方法提供了一种有效和客观的手段来标准化呼吸道辐射疗法的质量保证.
  • 实施这种质量保证方法可以提高现代放射性瘤实践中的治疗准确性和患者安全性.