Accuracy of the Single Cycle Length Method for Calculation of Aortic Effective Orifice Area in Irregular Heart Rhythms.

Kerry A Esquitin,Omar K Khalique,Qi Liu,Susheel K Kodali,Leo Marcoff,Tamim M Nazif,Isaac George,Torsten P Vahl,Martin B Leon,Rebecca T Hahn

Journal of the American Society of Echocardiography（2019）

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摘要

•Aortic EOA was measured by matching RR intervals in irregular heart rhythms.•AF: Aortic EOA can be measured with a single cycle length, a long cycle is preferred.•FE: The postectopic beat results in a higher transaortic gradient, SV, DVI, and EOA.

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关键词

Aortic valve,Aortic stenosis,Echocardiography,Continuity equation,Atrial fibrillation,Transcatheter aortic valve replacement

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