Showing 1 - 3 results of 3 for search '(( 24 h decrease ) OR ( 50 ((((n decrease) OR (nn decrease))) OR (_ decrease)) ))~', query time: 0.52s Refine Results
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    Supplementary Material for: Risk factors and heart rate variability associated with left ventricular enlargement in patients with frequent premature ventricular contractions by Yang Z. (4129039)

    Published 2022
    “…Methods: Patients with frequent PVCs (n=571), whose PVC burden counts > 10000/24h or PVC burden > 10%, were recruited. …”
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    Data_Sheet_1_Study on the Relationship Between Orthostatic Hypotension and Heart Rate Variability, Pulse Wave Velocity Index, and Frailty Index in the Elderly: A Retrospective Obse... by Lun Li (155358)

    Published 2020
    “…Analysis software was used to record the subject's standard deviation of the cardiac cycle (SDNN), the standard deviation of the 5-min average cardiac cycle (SDANN), the square root of the average square sum of consecutive n-interval differences (rMSSD), the percentage of the number of adjacent cardiac interval differences >50 ms (pNN50), low frequency (LF), high frequency (HF), very low frequency (VLF), and low frequency/high frequency ratio (LF/HF). …”