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Background: We aimed to evaluate whether clinical factors, which influence heart rate variability (HRV) in the presence of undisturbed sinus rhythm, have any associations with HRV in patients with permanent atrial fibrillation (AF).
Methods: One hundred ninety‐seven consecutive patients with permanent AF were included (122 males, 75 females, aged 64 ± 11 years, range 25–85). In each patient a 24‐hour...
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