Simultaneous heart rate and blood pressure variability analysis
نویسندگان
چکیده
منابع مشابه
Blood pressure and heart rate variability.
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In this paper, the coupling between heart rate variability (HRV) and systolic blood pressure variability is analyzed using a non-linear measure called phase synchronization index (PSI). 20 healthy subjects alongwith 20 post myocardial patients undergong postural stress were used for analysis. The results were validated on standard EuroBaVar dataset. Results demonstrate that i) for healthy subje...
متن کاملHeart rate and blood pressure variability in orthostatic syncope.
The pathogenetic role of autonomic nervous system in the neurally mediated orthostatic vasodepressive syncope is unclear. upright tilt was used to assess the characteristics of autonomic tone during orthostatic stress. We studied 18 patients (mean age 26 +/- 5 years) suffering from vasodepressive orthostatic syncope and with positive response to a 30-minute 60 degrees upright tilt and a compara...
متن کاملSimultaneous heart rate and blood pressure variability analysis. Insight into mechanisms underlying neurally mediated cardiac syncope in children.
OBJECTIVES The purpose of our investigation was to examine serial changes in autonomic nervous system activity along with measurements of hemodynamics and cardiac contractility, in assessing the mechanism(s) that underlie neurally mediated cardiac syncope (NMCS) in children. BACKGROUND Previous research that used heart rate variability analysis alone to understand changes in autonomic activit...
متن کاملHeart Rate Variability and Blood Pressure during Dynamic and Static Exercise at Similar Heart Rate Levels
UNLABELLED Aim was to elucidate autonomic responses to dynamic and static (isometric) exercise of the lower limbs eliciting the same moderate heart rate (HR) response. METHOD 23 males performed two kinds of voluntary exercise in a supine position at similar heart rates: static exercise (SE) of the lower limbs (static leg press) and dynamic exercise (DE) of the lower limbs (cycling). Subjectiv...
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ژورنال
عنوان ژورنال: Journal of the American College of Cardiology
سال: 2002
ISSN: 0735-1097
DOI: 10.1016/s0735-1097(02)02273-8