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. 2024 Mar 20;5(4):209–216. doi: 10.1016/j.hroo.2024.03.004

Figure 7.

Figure 7

A: Nocturnal average heart rate (HR) and frequency of sinus pauses during sleep in patient 1, monitored using a CONTEC 3-lead Holter monitor, before (–110 to 0 days) and after (0 to 57 days) cardioneuroablation. The day of ablation is designated as day 0. Sinus pauses are classified as >2.5 seconds. Each HR datapoint represents the collective average derived from hourly average values. The prominent reduction in sinus pause frequency and concomitant increase in heart rate postprocedure is evident. B: Alterations in nocturnal heart rate variability parameters before and after cardioneuroablation in patient 1: SDNN (ms), LF power (ms∗ms in logarithmic scale), and HF power (ms∗ms in log scale) before (–10 to 0 days) and after (0 to 57 days) ablation. A consistent decrease among all 3 heart rate variability parameters is observed postprocedure. HF = high-frequency band; LF = low-frequency band; SDNN = standard deviation of NN intervals.