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Dynamic Equilibrium02:20

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A reversible chemical reaction represents a chemical process that proceeds in both forward (left to right) and reverse (right to left) directions. When the rates of the forward and reverse reactions are equal, the concentrations of the reactant and product species remain constant over time and the system is at equilibrium. A special double arrow is used to emphasize the reversible nature of the reaction. The relative concentrations of reactants and products in equilibrium systems vary greatly;...
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相关实验视频

Updated: Mar 14, 2026

The Immersive Cleveland Clinic Virtual Reality Shopping Platform for the Assessment of Instrumental Activities of Daily Living
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一个临床环境模拟器,用于动态AI评估.

Luyang Luo1, Sung Eun Kim1,2, Xiaoman Zhang1

  • 1Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA.

Nature medicine
|March 13, 2026
PubMed
概括
此摘要是机器生成的。

本研究引入了临床环境模拟器 (CES),用于在动态的数字医院环境中评估临床大语言模型 (LLM). 该CES在现实的场景中评估LLM绩效,改善医疗保健决策评估.

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科学领域:

  • 人工智能在医学中的应用
  • 临床信息学 临床信息学
  • 医疗保健系统工程 系统工程

背景情况:

  • 目前的临床大语言模型 (LLM) 评估使用静态数据集,无法代表现实世界的动态医疗环境.
  • 现有的基准没有捕捉到临床决策对患者结果和医院操作的级联影响.

研究的目的:

  • 引入临床环境模拟器 (CES),这是一个评估临床LLMs的新框架.
  • 评估在动态的数字医院环境中LLM的表现,以模拟级联的医疗保健决策效应.
  • 为了能够评估临床LLMs的时间推理,资源意识的决策和操作弹性.

主要方法:

  • 开发了一个并行模拟架构,其中包括一个"医院引擎"和一个"患者引擎".
  • 医院引擎实时跟踪资源 (病床,工作人员,设备).
  • 患者引擎通过现实的电子健康记录接口模拟基于LLM干预的疾病进展和治疗反应.

主要成果:

  • 在不断变化的约束下,CES允许对时间推理进行评估.
  • 它有助于评估资源意识的决策,平衡个体患者需求与系统能力.
  • 该框架允许通过对抗性场景 (如同时发生的紧急情况) 来测试运营弹性.

结论:

  • 临床环境模拟器 (CES) 提供了比目前的基准更现实的和更全面的临床LLM的评估.
  • CES将评估转向评估LLM作为医疗保健服务的动态,综合组成部分.
  • 这一框架对于推动AI在临床环境中安全有效地部署至关重要.