A Sensor-Based Data Visualization System for Training Blood Pressure Measurement by Auscultatory Method

Chooi-Ling GOH  Shigetoshi NAKATAKE  

IEICE TRANSACTIONS on Information and Systems   Vol.E99-D   No.4   pp.936-943
Publication Date: 2016/04/01
Online ISSN: 1745-1361
DOI: 10.1587/transinf.2015DAP0010
Type of Manuscript: Special Section PAPER (Special Section on Data Engineering and Information Management)
blood pressure measurement,  auscultation,  Korotkoff sounds,  cuff pressure oscillation,  data visualization,  wireless sensor system,  

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Blood pressure measurement by auscultatory method is a compulsory skill that is required by all healthcare practitioners. During the measurement, they must concentrate on recognizing the Korotkoff sounds, looking at the sphygmomanometer scale, and constantly deflating the cuff pressure simultaneously. This complex operation is difficult for the new learners and they need a lot of practice with the supervisor in order to guide them on their measurements. However, the supervisor is not always available and consequently, they always face the problem of lack of enough training. In order to help them mastering the skill of measuring blood pressure by auscultatory method more efficiently and effectively, we propose using a sensor device to capture the signals of Korotkoff sounds and cuff pressure during the measurement, and display the signal changes on a visualization tool through wireless connection. At the end of the measurement, the learners can verify their skill on deflation speed and recognition of Korotkoff sounds using the graphical view, and compare their measurements with the machine instantly. By using this device, the new learners do not need to wait for their supervisor for training but can practice with their colleagues more frequently. As a result, they will be able to acquire the skill in a shorter time and be more confident with their measurements.