Concept of T-Wave Morphology Dispersion

被引：1
|
作者：
Acar, B [1 ]
Yi, G [1 ]
Malik, M [1 ]
机构：
[1] Bilkent Univ, Dept Elect & Elect Engn, TR-06533 Ankara, Turkey
来源：
COMPUTERS IN CARDIOLOGY 1999, VOL 26 | 1999年 / 26卷
关键词：
D O I：
10.1109/CIC.1999.825905
中图分类号：
R5 [内科学];
学科分类号：
1002 ; 100201 ;
摘要：
The detection of ventricular repolarisation abnormalities is widely being done using the Qr interval measurements. However; there ore both technical and theoretical problems with QT measurements. We propose two robust methods for the quantification of the ventricular repolarisation abnormalities: i) The quantification of the inter-lead morphology differences of the T wave (T Wave Morphology Dispersion - TMD) ii) The analysis of the T wave wavefront direction with respect to the QRS complex (Total Cosine R_To_T - TCRT). Sensitivity nod specificity of 82% (84%) in supine position and 77% (79%) in standing position were achieved for TMD (TCRT). Both parameters were more reproducible than conventional QT interval based parameters.
引用
收藏
页码：57 / 60
页数：4
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