Implementation of a Multi-sampling-frequency System for RR-interval Timing and Blood Pressure Detection
XU Liang
FAN Bao-lin
WANG Xing
PENG Yi
摘要：In order to analyze the experimental cardiovascular signal with high accuracy,a system,integrating real-time monitoring and off-line further analysis,was developed and verified.The design,data processing and analysis methods as well as testing results are described.With 5 sampling frequency choices and 8channel data acquisition,the system achieved high performances in beat-to-beat monitoring,signal processing and analysis.Tests were carried out to validate its performance in real-time monitoring,effectiveness of digital filters,QRS and blood pressure detection reliability,and RR-interval timing accuracy.The QRS detection rate was at least 99.46% for the records with few noises from MIT-BIH arrhythmia database using the algorithm for real-time monitoring,and no less than 96.43% for the records with some noises.In the condition that noise amplitude levels were less than 80%,the standard deviations for RR-interval timing were less than 1 ms with a generated ECG corrupted with variousnoises from MIT-Bm Noise Stress Test Database.Besides,the system is open for function expansion to meet further studyspecific needs.
机标关键词：
分类号：R3(基础医学)
资助基金：北京市自然科学基金(3052015)
论文发表日期：2006-01-01
在线出版日期：2025-08-15（本平台首次上网日期，不代表文献的发表时间）
页数：8( 151-158 )
英文信息