The modified step-wise deflation method in blood pressure measurement
- Authors
- Oh, Hong Sic; Chee, Young Joon; Lee, Jong Shill; Kim, In Young; Lee, Jong Shill; Kim, Y.S.
- Issue Date
- Sep-2008
- Publisher
- IEEE
- Citation
- Computers in Cardiology, v.35, pp.169 - 172
- Indexed
- SCOPUS
- Journal Title
- Computers in Cardiology
- Volume
- 35
- Start Page
- 169
- End Page
- 172
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/171844
- DOI
- 10.1109/CIC.2008.4749004
- ISSN
- 0276-6574
- Abstract
- In non-invasive blood pressure (NIBP) measurement, most of the automatic devices use oscillometric method. There are two types of deflation in oscillometric method. One is the linear deflation and the other is the stepwise deflation method. In this study, we suggest the modified step deflation to reduce the measurement time while keeping the advantage of step deflation over linear deflation. With the control of the valve and real time signal processing, we implemented the blood pressure measurement system and new algorithm. We measure the amplitude of each systolic pulsation. For the validation of our suggested method, human observer assessed SBP / DBP according to EHS (European Hypertension Society) guideline. The mean differences between the suggested method and traditional auscultation method were 1.95 mmHg for SBP and -0.55 mmHg for DBP.
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