Document Type

Article

Publication Date

2023

Abstract

Background: Design of an electronic blood pressure monitor as a project-based learning in bioinstrumentation laboratory introduces as real-world problem-solving experience that can enhance students engagement and creativity in the classroom.
Purpose: This study presents a project-based learning experience in bioinstrumentation to design and develop an analog front end of a blood pressure monitor in a lab setting. The proposed lab modules aim to help students integrate the learning from theoretical principles and apply them in a real-world application. Methods: The activity was conducted in the last 3 weeks of the course, after covering all related theoretical topics, in addition to the students’ prior knowledge of the circulatory system physiology. Generalized system block diagrams were introduced by the instructor in the activity description session. Students were then asked to report their own circuit design, simulation, and testing of the blood pressure monitoring system of their own creation, which allowed them to identify the added value that their design demonstrate.
Results: The effect of the project-based lab has been analyzed using students’ surveys, which utilized the Likert scale, to assess students’ engagement and level of interest. In the 2021 academic year (project not applied), responses to the survey showed a median score of 4 (average: 4.00), while in the 2022 academic year (project applied) the students median score was 5 (average: 4.31). The score differences between the two academic years were found to be statistically different and higher when the project was applied in the course.
Conclusions: Results show that the application of project-based lab can help enhance the level of interest with the bioinstrumentation material and improve students’ engagement.

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