Despite the considerable improvement of the common-mode rejection ratio of digital filtering techniques. the electrocardiogram (ECG) traces recorded by commercialized devices are still contaminated by residual power line interference (PLI). In this study. we address this issue by proposing a novel real-time filter adapted to single-frequency noise cancellation and automatic power line... https://www.bekindtopets.com/deal-alert-NHL-Winnipeg-Jets-Distressed-iPhone-13-Pro-Max-MagSafe-Case-p96268-great-save/