Spectral analysis and time-dependent properties of atrial fibrillation in the surface ECG

被引：1
|
作者：
Stridh, M [1 ]
Sörnmo, L [1 ]
Holm, M [1 ]
Olsson, B [1 ]
Sattar, F [1 ]
机构：
[1] Lund Univ, Signal Proc Grp, S-22100 Lund, Sweden
来源：
PROCEEDINGS OF THE 20TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY, VOL 20, PTS 1-6: BIOMEDICAL ENGINEERING TOWARDS THE YEAR 2000 AND BEYOND | 1998年 / 20卷
关键词：
D O I：
10.1109/IEMBS.1998.745842
中图分类号：
R5 [内科学];
学科分类号：
1002 ; 100201 ;
摘要：
A new non-invasive technique is presented for the characterization of time-dependent spectral properties of atrial fibrillation in the surface EGG. The method uses the Wigner-Ville distribution for time-frequency analysis and the cross Wigner-Ville is used to compute trends which describe the instantaneous frequency of the atrial activity. Preliminary results indicate that short-term variations exist in the fibrillation cycle lengths and that the variations can exhibit similar behavior in the leads V-1-V-3.
引用
收藏
页码：112 / 114
页数：3
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