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Vol.12, No.2, 161 ~ 169, 2009
Title
HRV Evaluation under Stress Condition by Using Patch Type Bipolar Heart Activity Monitoring System
 
Abstract
In this study, we have developed the patch type HAMS (Heart Activity Monitoring System) which is non-restricted, non-awarable and non-invasive. The module using wireless telecommunication to receive the ECG (electrocardiogram) signal at the computer has mobility which it easily monitors the heart activity of subjects in no time for long term at any time and places. We developed the small patch type electrode which can be attached on the chest. Also the reliability and moving artifact of ECG signal measured by this electrode have been verified. Using HAMS, we measured the HRV (Heart Rate Variability) parameters, the questionnaire evaluation for anxiety and stress and the amount of stress hormone (cotisol) to evaluate the stress effect in HRV on the same subject. As a result of comparing the values under non stressed and stressed condition, there was significant difference on many parameters. And the parameter highly related with stress on Pearson`s Correlation Coefficient has been examined. These show that using HAMS is able to evaluate the function of autonomic nervous system. Therefore, we can predict heart problem in daily life by using HAMS. Also we expect that this module can be applied for more application as health monitoring system.
Key Words
HAMS, Heart Activity Monitoring System, patch type bipolar ECG(Electrocardiogram) electrode, HRV, Heart Rate Variability, stress, cotisol, 패치형 바이폴라 심전도 전극, 심박변동, 스트레스, 코티졸
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