Resting heart rate predicts cardiac autonomic modulation during passive head-up tilt in subjects without cardiovascular diseases

Jenni K. Koskela, Anna Tahvanainen, Antti J. Tikkakoski, Pauliina Kangas, Marko Uitto, Jari Viik, Mika Kähönen, Jukka Mustonen & Ilkka Pörsti
Background Resting heart rate (HR) and its variability (HRV) reflects the cardiac sympathovagal balance that is stimulated by head-up tilting. HRV is influenced by the level of HR, but how much HRV offers additional information about cardiac autonomic tone than HR alone remains unresolved. We examined the relation of resting HR with HRV during head-up tilt. Methods. Hemodynamics of 569 subjects without known cardiovascular diseases and medications with direct cardiovascular effects were recorded using whole-body...
1 citation reported since publication in 2022.
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