Parametric Harmonic-to-Fundamental Ratio Contrast Echocardiography: A Novel Approach to Identification and Accurate Measurement of Left Ventricular Area Under Variable Levels of Ultrasound Signal Attenuation

OBJECTIVES: We introduced a harmonic-to-fundamental ratio (HFR) of the radiofrequency (RF) signals that reduces confounding effects of attenuation. We studied whether HFR analysis of RF signals received from contrast microbubbles allows accurate measurement of the left ventricular (LV) cavity area u...

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Main Authors: Yoshifuku, Shiro, Chen, Shigao, McMahon, Eileen M., Yoshikawa, Akiko, Sengupta, Partho, Korinek, Josef, Belohlavek, Marek
Format: Artigo
Sprog:Inglês
Udgivet: 2006
Fag:
Article
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC2034328/
https://ncbi.nlm.nih.gov/pubmed/17276474
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.ultras.2006.12.002
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