Key result
Tachogram recording length significantly influenced all heart rate variability indicators during orthostatic stress (P<0.05), demonstrating the critical need for standardized recording periods.
Why the study?
Does tachogram length and period of recording influence heart rate variability (HRV) indicator values?
Comparison
Tachogram recording lengths of 180, 300, 420… vs Comparison between the different recording…
Design
Other
Authors
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Requires standardized tachogram lengths for reliable orthostatic HRV assessment; leaves open optimal protocols before clinical adoption.
Observational
Does tachogram length and period of recording influence heart rate variability (HRV) indicator values?
p-value: p=<0.05
The exact starting point and length of tachogram recording are critical during orthostatic stress testing for HRV, as values are highly dependent on these methodological factors.
Grant et al. (2011) conducted an observational in Autonomic function assessment. Tachogram recording length variation (180, 300, 420, and 600 seconds) vs. Different 3-minute recording periods was evaluated on Heart rate variability (HRV) indicator values (p=<0.05). Tachogram recording length significantly influenced all heart rate variability indicators during orthostatic stress (P<0.05), demonstrating the critical need for standardized recording periods.
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