Adaptive time-frequency ECG analysis

被引：4
|
作者：
Chouvarda, I [1 ]
Maglaveras, N [1 ]
Pappas, C [1 ]
机构：
[1] Aristotelian Univ Thessaloniki, Sch Med, Lab Med Informat, GR-54006 Thessaloniki, Greece
来源：
COMPUTERS IN CARDIOLOGY 2001, VOL 28 | 2001年 / 28卷
关键词：
D O I：
10.1109/CIC.2001.977643
中图分类号：
R5 [内科学];
学科分类号：
1002 ; 100201 ;
摘要：
Non-stationary analysis of ECG using Choi-Williams (CW) distribution is presented. Analysis was applied on subjects with AMI who have undergone thrombolysis, in VI Holder recordings. Two groups of patients were regarded: successfully and non-successfully thrombolysed patients. The time-frequency map generated by, CW transform was divided in nine areas, relevant to ECG features. Characteristic parameters were extracted from each area and linear discriminant analysis was applied on these parameters, leading to a prediction index. Applying the method to ECGs at the sixth hour after lysis, the successfully, thrombolysed patients were distinct from the non-successfully thrombolysed ones.
引用
收藏
页码：265 / 268
页数：4
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