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相关概念视频

Support Reactions in Three Dimensions01:27

Support Reactions in Three Dimensions

837
Support reactions in three dimensions help maintain the stability and equilibrium of various structures and systems. These reactions prevent the system from translating and rotating, ensuring the design can withstand external forces and perform its intended function efficiently and safely. Some of the supports providing support reactions in three dimensions are discussed below:
Ball and Socket Joint is one of the supports allowing free rotation about any axis. This freedom of rotation is...
837
Design Consideration01:22

Design Consideration

165
Designing a structure involves a series of considerations, primarily the material's ultimate strength, calculated through tests that measure changes under increased force until the material reaches its breaking point or limit. The ultimate load, where the material breaks, is divided by its original cross-sectional area, resulting in the ultimate normal stress or strength. The ultimate shearing stress is another significant factor taken into account.
The factor of safety is another key...
165
Ethical Issues01:27

Ethical Issues

806
Nurses are essential in patient care, upholding the ethical principles of their profession and effectively navigating ethical dilemmas. Neglecting ethical issues can lead to inadequate patient care, compromised therapeutic relationships, and moral distress among healthcare workers.
Ethical Concerns in Healthcare:
806
Support Reactions01:30

Support Reactions

342
A coplanar force system refers to a set of forces that all lie in the same plane and are subject to different reactions between the point of contact and the supports. Understanding how different types of supports affect coplanar forces is crucial for designing safe and reliable structures that can withstand external loads.
The purpose of the supports is to prevent the translational motion of the system by applying an equal and opposite force and to prevent the system's rotation by applying...
342
Transmission Shafts: Problem Solving01:09

Transmission Shafts: Problem Solving

194
Designing a solid shaft that transmits power from a motor to a machine tool involves a series of calculations to ensure the shaft can withstand the stresses applied by bending moments and torques. First, calculate the torque exerted on the gear, considering the power transmitted by the shaft and its rotational speed. Following this, compute the tangential forces acting on the gears, which directly relate to the torque and the gear radius.
Next, use bending moment diagrams for the shaft to...
194
Ethical Dilemmas II01:30

Ethical Dilemmas II

850
Resolving an ethical dilemma in healthcare involves a systematic approach that considers every aspect of the issue, respecting both the patient's needs and values and the healthcare professional's ethical obligations. Here are potential steps to resolve an ethical dilemma:
850

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相关实验视频

Updated: May 13, 2025

Application of Design Aspects in Uniaxial Loading Machine Development
05:23

Application of Design Aspects in Uniaxial Loading Machine Development

Published on: September 19, 2018

5.8K

对于机械支的伦理考虑

Ansa Razzaq1, Kenneth M Prager2, A Reshad Garan3

  • 1Division of Pulmonary, Allergy, and Critical Care, Columbia University College of Physicians and Surgeons, 622 West 168th Street, PH 8E, 101, New York, NY 10032, USA.

Anesthesiology clinics
|May 10, 2025
PubMed
概括
此摘要是机器生成的。

身体外生命支持 (ECLS) 有助于严重的心脏和呼吸系统衰竭. 伦理考虑对于患者的选择,支持的持续时间以及在康复或移植不太可能时管理ECLS依赖性至关重要.

关键词:
无处可去的桥梁在COVID-19大流行中,在ECMO中,我们可以使用ECMO.伦理学 伦理学 伦理学身体之外的生命支持.取消生命支持系统的使用.

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科学领域:

  • 心脏病学 心脏病学
  • 肺部病理学 肺部病理学
  • 医学伦理 医学伦理

背景情况:

  • 身体外生命支持 (ECLS) 为严重的心脏和呼吸系统衰竭提供了关键支持.
  • 由于ECLS的快速扩张和资源密集性,因此需要仔细考虑其应用.
  • 需要ECLS的患者经常出现高敏度疾病,带来复杂的临床挑战.

研究的目的:

  • 探索围绕使用ECLS在晚期心肺衰竭中的关键伦理问题.
  • 确定有关患者选择和支持持续时间的关键决策点.
  • 解决与ECLS依赖和有限的康复或移植前景相关的困境.

主要方法:

  • 审查当前的ECLS实践和伦理框架.
  • 分析涉及复杂ECLS病例的临床场景.
  • 讨论与生命支持技术相关的伦理原则.

主要成果:

  • 确定最有可能从ECLS中受益的患者至关重要.
  • 在不确定的预测中确定ECLS支持的适当持续时间仍然具有挑战性.
  • 伦理框架对于管理依赖ECLS而没有恢复或移植希望的患者至关重要.

结论:

  • 在晚期心肺衰竭中使用ECLS需要仔细的伦理审议.
  • 积极的道德规划可以指导复杂的ECLS案件的决策.
  • 在ECLS管理中,平衡治疗目标与患者福祉是ECLS管理的核心.