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Circadian rhythm of heart rate and heart rate variability in pregnancy [PDF]

open access: yesnpj Women's Health
The autonomic nervous system (ANS) regulates physiological changes during pregnancy, supporting fetal development and homeostasis. Heart rate (HR) and heart rate variability (HRV) are well-established, non-invasive biomarkers of ANS function.
Mahkameh Rasouli   +8 more
doaj   +2 more sources

Heart Rate Variability and Exceptional Longevity [PDF]

open access: yesFrontiers in Physiology, 2020
Centenarians are the paradigm of human extreme longevity and healthy aging, because they have postponed, if not avoided, mayor age-related diseases. The purpose of this study was to investigate potential differences in resting heart rate variability (HRV)
Adrián Hernández-Vicente   +19 more
doaj   +8 more sources

Analysis of Heart Rate Variability and Implication of Different Factors on Heart Rate Variability

open access: yesCurrent Cardiology Reviews, 2020
Background The heart is the central organ of the circulatory system, which maintains the flow of blood along with the transport of nutrients to different cells and tissues. A well-functioning cardiac state is a complicated mode of changeability.
Reena Tiwari   +4 more
semanticscholar   +4 more sources

Heart Rate Variability - A Historical Perspective [PDF]

open access: yesFrontiers in Physiology, 2011
Heart rate variability (HRV), the beat-to-beat variation in either heart rate or the duration of the R-R interval – the heart period, has become a popular clinical and investigational tool.
George E Billman
doaj   +4 more sources

Pulse rate variability: a new biomarker, not a surrogate for heart rate variability

open access: yesJournal of Physiological Anthropology, 2020
With the popularization of pulse wave signals by the spread of wearable watch devices incorporating photoplethysmography (PPG) sensors, many studies are reporting the accuracy of pulse rate variability (PRV) as a surrogate of heart rate variability (HRV).
Emi Yuda   +6 more
doaj   +2 more sources

Can Wearable Devices Accurately Measure Heart Rate Variability? A Systematic Review

open access: yesFolia Medica, 2018
Background: A growing number of wearable devices claim to provide accurate, cheap and easily applicable heart rate variability (HRV) indices. This is mainly accomplished by using wearable photoplethysmography (PPG) and/or electrocardiography (ECG ...
Georgiou Konstantinos   +5 more
doaj   +2 more sources

Heart rate variability in anaesthesiology – narrative review

open access: yesAnaesthesiology Intensive Therapy, 2023
Heart rate variability (HRV) is a measure that shows the variation in time between consecutive heartbeats – a physiological phenomenon controlled by the autonomic nervous system.
Magdalena Wujtewicz, Radoslaw Owczuk
doaj   +1 more source

Heart rate profiles and heart rate variability during scuba diving

open access: yesSwiss Medical Weekly, 2021
AIMS: The aim of the present study was to describe heart rate profiles and heart rate variability patterns in non-selected scuba divers of different ages under non-experimental real-world conditions.
Claudine Schaller   +7 more
doaj   +1 more source

Donkey Heart Rate and Heart Rate Variability: A Scoping Review

open access: yesAnimals, 2023
Heart rate (HR) and heart rate variability (HRV) are commonly used physiological measures in animals. While several studies exist on horse HRV, less information is available for donkeys.
Marta De Santis   +6 more
doaj   +1 more source

The Role of Heart Rate Variability (HRV) in Different Hypertensive Syndromes

open access: yesDiagnostics, 2023
Cardiac innervation by the parasympathetic nervous system (PNS) and the sympathetic nervous system (SNS) modulates the heart rate (HR) (chronotropic activity) and the contraction of the cardiac muscle (inotropic activity).
Louise Buonalumi Tácito Yugar   +9 more
semanticscholar   +1 more source

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