Journal of Biomedical Engineering Research (대한의용생체공학회:의공학회지)

The Korean Society of Medical and Biological Engineering (대한의용생체공학회)
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Estimation of Chest Compression Depth using two Accelerometers during CPR

심폐소생술에서 두 개의 가속도 센서를 활용한 흉부 압박 깊이 추정

  • Song, Yeong-Tak (Interdisciplinary program of Biomedical Engineering, University of Ulsan) ;
  • Oh, Jae-Hoon (Dept. of Emergency, Eonyang Hospital) ;
  • Suh, Young-Soo (Dept. of Electrical Engineering, University of Ulsan) ;
  • Chee, Young-Joon (Dept. of Biomedical Engineering, University of Ulsan)
  • 송영탁 (울산대학교 의용생체공학 협동과정) ;
  • 오재훈 (안양병원 응급의학과) ;
  • 서영수 (울산대학교 전기전자시스템공학부) ;
  • 지영준 (울산대학교 의공학과)
  • Received : 2010.09.08
  • Accepted : 2010.09.30
  • Published : 2010.10.31
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Abstract

During the cardiopulmonary resuscitation (CPR), the correct chest compression depth and period are very important to increase the resuscitation possibility. For the feedback of chest compression depth, the depth monitoring device based on the accelerometer is developed and widely used. But this method tends to overestimate the compression depth on the bed. To overcome this limitation, the chest compression depth estimation method using two accelerometers is suggested With the additional accelerometer between the patient and mattress on the bed, the compression of the mattress is also measured and it is used to compensate the overestimation error. The experimental results show that the single accelerometer estimates as 61.4mm for the actual compression depth of 43.6mm on the mattress. The depth estimation with the dual accelerometer was 44.6mm which is close to the actual depth. With the automatic zeroing in every single compression, the integration error for the depth can be reduced. The dual accelerometer method is effective to increase the accuracy of the chest compression depth estimation.

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References

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