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2013
Heart rate variability (HRV) provides indirect insight into autonomic nervous system tone, and has a well-established role as a marker of cardiovascular risk. Recent decades brought an increasing interest in HRV assessment as a diagnostic tool in detection of autonomic impairment, and prediction of prognosis in several neurological disorders.
Wojciech Zareba, Iwona Cygankiewicz
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Heart rate variability (HRV) provides indirect insight into autonomic nervous system tone, and has a well-established role as a marker of cardiovascular risk. Recent decades brought an increasing interest in HRV assessment as a diagnostic tool in detection of autonomic impairment, and prediction of prognosis in several neurological disorders.
Wojciech Zareba, Iwona Cygankiewicz
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Current Opinion in Cardiology, 1998
Heart rate variability is a recognized tool for the estimation of cardiac autonomic modulations. Recently, several studies have advanced the field of heart rate variability in three areas: 1) in technical modes of electrocardiogram processing and heart rate variability assessment, 2) in physiologic understanding and interpretation, and 3) in clinical ...
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Heart rate variability is a recognized tool for the estimation of cardiac autonomic modulations. Recently, several studies have advanced the field of heart rate variability in three areas: 1) in technical modes of electrocardiogram processing and heart rate variability assessment, 2) in physiologic understanding and interpretation, and 3) in clinical ...
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Progress in Cardiovascular Diseases, 2012
Heart rate variability (HRV) non-invasively assesses the activity of the autonomic nervous system. During the past 30 years, an increasing number of studies have related the imbalance of the autonomic nervous system (as assessed by HRV) to several pathophysiogical conditions, particularly in the setting of cardiovascular disease. Sudden death, coronary
B. Xhyheri +4 more
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Heart rate variability (HRV) non-invasively assesses the activity of the autonomic nervous system. During the past 30 years, an increasing number of studies have related the imbalance of the autonomic nervous system (as assessed by HRV) to several pathophysiogical conditions, particularly in the setting of cardiovascular disease. Sudden death, coronary
B. Xhyheri +4 more
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Multifractality and heart rate variability
Chaos: An Interdisciplinary Journal of Nonlinear Science, 2009In this paper, we participate to the discussion set forth by the editor of Chaos for the controversy, “Is the normal heart rate chaotic?” Our objective was to debate the question, “Is there some more appropriate term to characterize the heart rate variability (HRV) fluctuations?” We focused on the ≈24 h RR series prepared for this topic and tried to ...
Sassi R. +2 more
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Variables Influencing Heart Rate
Progress in Cardiovascular Diseases, 2009In both physiologic and pathological conditions, instantaneous heart rate value is the result of a rather complex interplay. It constantly varies under the influence of a number of factors: nonmodifiable and modifiable ones. Pharmacologic blockade with beta-adrenergic antagonists and/or with parasympathetic antagonists such as atropine have permitted ...
Valentini, M, PARATI, GIANFRANCO
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Heart rate variability in pheochromocytoma
The American Journal of Cardiology, 1995The results of our study show that parasympathetic tone was higher in patients with pheochromocytoma than in patients with primary hypertension. An unusual spectral form of vagal activity was seen during excessive beta-adrenergic stimulation, while persistent hypertension with an excessive alpha-adrenergic stimulation was responsible for low cardiac ...
Andrzej Dabrowski +4 more
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Mental load, heart rate and heart rate variability
Psychologische Forschung, 1970"Several investigators have shown that diminished sinus arrhythmia can be seen as an indication of increased mental load. The present experiment deals with the influence of different levels of mental load, operationalized as the number of binary choices per minute, on the regularity of the heart rate. Also . . .
Blitz, P.S., Hoogstraten, J., Mulder, G.
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Depression and heart rate variability
Biological Psychiatry, 1995Since there is evidence suggesting an increased incidence of cardiovascular morbidity in patients with major depression and phobic anxiety (Dalack et al 1990: Kawachi et al 1994), we have been conducting studies on cardiac autonomic function in these disorders using noninvasive techniques such as spectral analysis of heart rate (HR).
Vikram K. Yeragani +3 more
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Acupuncture and Heart Rate Variability
Acupuncture in Medicine, 2011The rhythm of life in general, and that of the heart in particular, has always been of interest to physicians and lay people all over the world. Ancient Chinese physicians examined the pulse of the patient’s radial artery as a part of their diagnostic procedure.
Can Ozan Tan, Terje Alraek
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Thermoregulation and Heart Rate Variability
Clinical Science, 19961. Heart rate variability is modulated by multiple control systems, including autonomic and hormonal systems. Long-term variability, i.e. the very low-frequency band of the power spectra, has been postulated to reflect thermoregulatory vasomotor control, based upon thermal entrainment experiments.
Takashi Matsukawa +11 more
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