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An educational device for a hands-on activity to visualize the effect of atherosclerosis on blood flow

机译:一种动手操作的教育设备,可可视化显示动脉粥样硬化对血流的影响

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de Almeida JPPGL, de Lima JLMP. An educational device for a hands-on activity to visualize the effect of atherosclerosis on blood flow. Adv Physiol Educ 37: 427-435, 2013; doi:10.1152/advan.00065.2012.—An educational device was created to develop a hands-on activity to illustrate how atherosclerosis can dramatically reduce blood flow in human vessels. The device was conceived, designed, and built at the University of Coimbra, in response to a request from the Exploratório Infante D. Henrique Science Centre Museum, where it is presently installed. The device was designed to allow lay audience to operate it, including school-age youngsters. The two blood flow reduction mechanisms that can be visualized are 1) thickening of the artery wall and 2) hardening of the artery wall. The main objective is to promote the understanding of atherosclerotic cardiovascular physiology by simple and direct experiments. This original educational interactive device was constructed using, in the conceptual and design stages of the project, a Newtonian theoretical flow model based on Poiseuille's equation. This device is driven by human force and provides a visualization of the effect of atherosclerosis on flow. The main aspects relating to its design and construction are described here to explain and disseminate this approach. Throughout more than 4 yr of real operation, this educational device proved to be a simple and attractive way of understanding atherosclerosis, especially among young people.
机译:de Almeida JPPGL,de Lima JLMP。一种动手操作的教育设备,可可视化显示动脉粥样硬化对血流的影响。 Adv Physiol Educ 37:427-435,2013; doi:10.1152 / advan.00065.2012。—创建了一种教育设备来开展动手活动,以说明动脉粥样硬化如何显着减少人体血管的流动。该设备是应科英布拉大学的设想,设计和制造的,应当前安装的ExploratórioInfante D. Henrique科学中心博物馆的要求而设计。该设备旨在让包括学龄儿童在内的非专业观众进行操作。可以看到的两种减少血流量的机制是1)动脉壁增厚和2)动脉壁硬化。主要目的是通过简单直接的实验来增进对动脉粥样硬化心血管生理的认识。在项目的概念和设计阶段,使用了基于Poiseuille方程的牛顿理论流模型,构造了这种原始的教育互动设备。该设备由人力驱动,可直观显示动脉粥样硬化对血流的影响。这里描述了与它的设计和构造有关的主要方面,以解释和传播这种方法。在超过4年的实际操作中,这种教育设备被证明是一种理解动脉粥样硬化的简单且有吸引力的方法,尤其是在年轻人中。

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