Detecting atrial fibrillation and normal sinus rhythm by R-R intervals / 生物医学工程学杂志
Journal of Biomedical Engineering
;
(6): 183-187, 2010.
Article
in Chinese
| WPRIM
| ID: wpr-341657
ABSTRACT
This paper aims to find a new method of detecting atrial fibrillation (AF) with fast responding speed and high detecting precision by R-R intervals. Probability density function (PDF) of distance between two points in the reconstructed phase space of R-R intervals of normal sinus rhythm (NSR) and AF is studied. It is found that the distribution of PDF between NSR and AF R-R intervals is significantly different; and based on this finding, a characteristic parameter k is defined. k is used for defection among 400 NSR and 400 AF R-R intervals. The results demonstrate that the new algorithm has fast responding speed and high detecting precision (average sensitivity 97.0%, average specificity 95.2%).
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Atrial Fibrillation
/
Sinoatrial Node
/
Algorithms
/
Signal Processing, Computer-Assisted
/
Diagnosis
/
Diagnosis, Differential
/
Electrocardiography
Type of study:
Diagnostic study
Limits:
Humans
Language:
Chinese
Journal:
Journal of Biomedical Engineering
Year:
2010
Type:
Article
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