https://www.selleckchem.com/products/nst-628.html
OBJECTIVE To study reproducibility of f-wave parameters in terms of inter- and intrapatient variation. APPROACH Five parameters are investigated dominant atrial frequency (DAF), f-wave amplitude, phase dispersion, spectral organization, and spatiotemporal variability. For each parameter, the variance ratio R, defined as the ratio between inter- and intrapatient variance, is computed; a larger R corresponds to better stability and reproducibility. The study population consists of 20 high-quality ECGs recorded from patients with atrial fi
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