Effects of low-dose metoprolol succinate sustained-release tablets on patients with paroxysmal atrial fibrillation undergoing circumferential pulmonary vein isolation: a retrospective cohort study
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Background: The atria, particularly those near the pulmonary vein ostium, have numerous autonomic neural plexuses. Circumferential pulmonary vein isolation (CPVI) can reduce heart rate variability (HRV) parameters. Studies have s... ...
