Doin' the twist: new tools for an old concept of myocardial function

被引：63
作者：
Burns, A. T. [1 ,2 ]
McDonald, I. G. [1 ,2 ]
Thomas, J. D. [3 ]
Maclsaac, A. [1 ,2 ]
Prior, D. [1 ,2 ]
机构：
[1] St Vincents Hosp, Dept Med, Melbourne, Vic, Australia
[2] St Vincents Hosp, Cardiac Invest Unit, Melbourne, Vic, Australia
[3] Cleveland Clin Fdn, Dept Cardiovasc Med, Cleveland, OH 44195 USA
来源：
HEART | 2008年 / 94卷 / 08期
关键词：
D O I：
10.1136/hrt.2007.120410
中图分类号：
R5 [内科学];
学科分类号：
1002 ; 100201 ;
摘要：
It has been known for some time that the heart rotates during the cardiac cycle in concert with radial and longitudinal motion. With advances in imaging technology, it has been appreciated that the apex and base of the heart rotate in different directions, resulting in a twisting or torsional motion. A new echocardiographic technique, "speckle tracking imaging'', permits accurate quantification of this motion. Torsion as well as the timing and magnitude of the rate of torsion (torsional velocity) may provide important new insights into cardiac physiology and disease.
引用
收藏
页码：978 / 983
页数：6
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