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Paper Abstract and Keywords
Presentation 2022-03-04 09:55
Comparison of Heart Rate Variability Indices in Humans by Long Time Analysis of Ambulatory Cardiac Bio-signals
Emi Yuda, Yutaka Yoshida (Tohoku Univ.), Junichiro Hayano (Nagoya City Univ.), Itaru Kaneko (Tohoku Univ.) MBE2021-101
Abstract (in Japanese) (See Japanese page) 
(in English) Human physiological activities are controlled by circadian rhythms, which have a period of about 24 hours. Circadian rhythms are one of internal clock, related to sleep-wake rhythms, hormonal rhythms and body temperature rhythms. In addition to circadian rhythm, organism also has various other biorhythms, with the infradian rhythm being longer than 24 hours, and the ultradian rhythm being shorter than the circadian rhythm. About 2 days rhythm, circabidian rhythm has a period of about 48 hours in duration, and it has been shown that human sleep-wake rhythm follows this cycle. In this study, we analyzed the electrocardiogram (ECG), body acceleration, and posture obtained from a 72-h continuous holter ECG of healthy subjects, and examined circabidian rhythm and heart rate variability (HRV) indices, time domain and frequency domain. As a result, we found several HRV indices with robustness.
Keyword (in Japanese) (See Japanese page) 
(in English) Biorhythm / Long-time Analysis / Variability (HRV) / Holter ECG / / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 389, MBE2021-101, pp. 56-56, March 2022.
Paper # MBE2021-101 
Date of Issue 2022-02-23 (MBE) 
ISSN Online edition: ISSN 2432-6380
Copyright
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reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF MBE2021-101

Conference Information
Committee MBE NC  
Conference Date 2022-03-02 - 2022-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2022-03-MBE-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Comparison of Heart Rate Variability Indices in Humans by Long Time Analysis of Ambulatory Cardiac Bio-signals 
Sub Title (in English)  
Keyword(1) Biorhythm  
Keyword(2) Long-time Analysis  
Keyword(3) Variability (HRV)  
Keyword(4) Holter ECG  
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1st Author's Name Emi Yuda  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Yutaka Yoshida  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Junichiro Hayano  
3rd Author's Affiliation Nagoya City University (Nagoya City Univ.)
4th Author's Name Itaru Kaneko  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2022-03-04 09:55:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2021-101 
Volume (vol) vol.121 
Number (no) no.389 
Page p.56 
#Pages 1 
Date of Issue 2022-02-23 (MBE) 

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