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The principle of virtual work states that if a body is in static and dynamic equilibrium, then the sum of all the virtual work done by all external forces and couple moments for any given virtual displacement must be zero.
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The human heart is made up of three layers of tissue that are surrounded by the pericardium, a membrane that protects and confines the heart. The outermost layer, closest to the pericardium, is the epicardium. The pericardial cavity separates the pericardium from the epicardium. Beneath the epicardium is the myocardium, the middle layer, and the endocardium, the innermost layer. There are four chambers of the heart: the right atrium, the right ventricle, the left atrium, and the left ventricle.
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Interactive Anatomy-Augmented Virtual Simulation Training.

Michelle Aebersold1, Terri Voepel-Lewis2, Leila Cherara3

  • 1Clinical Associate Professor Department of Systems, Populations and Leadership, Director Simulation and Educational Innovation, 426 N. Ingalls, University of Michigan, School of Nursing, Ann Arbor, MI 48109.

Clinical Simulation in Nursing
|June 5, 2018
PubMed
Summary

Augmented reality (AR) virtual simulation significantly improved nursing students' nasogastric tube (NGT) placement skills compared to traditional methods. The AR group demonstrated superior competence and satisfaction with the innovative training module.

Keywords:
Augmented RealityLearningNursing EducationNursing SkillsSimulationSituated Learning TheoryVirtual Reality

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Area of Science:

  • Medical Education
  • Nursing Education
  • Health Professions Education

Background:

  • Traditional clinical skills training relies on videos and faculty demonstrations, limiting visualization of internal anatomy.
  • This approach may not adequately enhance learner performance in psychomotor skills requiring anatomical understanding.

Purpose of the Study:

  • To evaluate the effectiveness of an iPad anatomy-augmented virtual simulation (AR) module for nasogastric tube (NGT) placement training.
  • To compare AR-based training with traditional methods in nursing students.

Main Methods:

  • A mixed-methods study involving 69 sophomore and junior nursing students.
  • Random assignment to either traditional training (Control) or AR virtual simulation (AR group).
  • Competency assessed via a 17-item checklist; student perceptions gathered through surveys.

Main Results:

  • The AR group showed statistically significant improvement in correct NGT placement compared to the control group (P = 0.011).
  • 86% of AR group participants rated the AR module as superior/far superior to other training, versus 5.9% in the control group (P < 0.001).

Conclusions:

  • The AR module was better received, offering enhanced realism, landmark identification, and visualization of internal organs.
  • AR training proved superior in ease of use, usefulness, and promoting learning and understanding of clinical skills.