Results 31 to 40 of about 33,168 (99)

Heart Rate Variability and Pulse Rate Variability: Do Anatomical Location and Sampling Rate Matter?

Sensors
Wearable technology and neuroimaging equipment using photoplethysmography (PPG) have become increasingly popularized in recent years. Several investigations deriving pulse rate variability (PRV) from PPG have demonstrated that a slight bias exists ...
Joel S. Burma, James K. Griffiths, Andrew P. Lapointe, Ibukunoluwa K. Oni, Ateyeh Soroush, Joseph Carere, Jonathan D. Smirl, Jeff F. Dunn   +7 more
doaj   +1 more source

Influence of heart failure severity on heart rate variability [PDF]

Srpski Arhiv za Celokupno Lekarstvo, 2005
Introduction. Autonomic regulation of cardiovascular functions in congestive heart failure is characterised by enhanced sympathetic and diminished parasympathetic activity.
Zamaklar-Trifunović Danijela, Seferović Petar M., Živković Mirjana, Jelić Vera, Vukomanović Goran, Petrović Milan, Milić Nataša, Ristić Arsen D., Simeunović Dejan   +8 more
doaj   +1 more source

Heart rate recovery after exercise: relations to heart rate variability and complexity

Brazilian Journal of Medical and Biological Research, 2002
Physical exercise is associated with parasympathetic withdrawal and increased sympathetic activity resulting in heart rate increase. The rate of post-exercise cardiodeceleration is used as an index of cardiac vagal reactivation.
M. Javorka, I. Zila, T. Balhárek, K. Javorka   +3 more
doaj   +1 more source

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

Journal 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, Muneichi Shibata, Yuki Ogata, Norihiro Ueda, Tomoyuki Yambe, Makoto Yoshizawa, Junichiro Hayano   +6 more
doaj   +1 more source

Behaviour, heart rate, and heart rate variability in pigs exposed to novelty

Revista Brasileira de Zootecnia, 2016
In the present study, we investigated behavioural responses and determined parameters of heart rate variability (HRV) to elucidate a relative activation of autonomic nervous system (ANS) during baseline (10 min) and in response to potentially stressful ...
Manja Zupan, Tore Framstad, Adroaldo José Zanella   +2 more
doaj   +1 more source

RHRVEasy: Heart rate variability made easy.

PLoS ONE
Heart Rate Variability (HRV) analysis aims to characterize the physiological state affecting heart rate, and identify potential markers of underlying pathologies.
Constantino A García, Sofía Bardají, Pablo Pérez-Tirador, Abraham Otero   +3 more
doaj   +1 more source

ALAT BANTU ANALISIS HEART RATE VARIABILITY

Techne, 2013
Jantung merupakan salah satu organ vital pada tubuh manusia dengan fungsi yang sangat penting. Beberapa cara dilakukan untuk memantau kondisi jantung, salah satunya adalah Heart Rate Variability (HRV).
Theodorus Leo Hartono, Fransiscus Dalu Setiaji, Iwan Setyawan   +2 more
doaj  

Spectro-Temporal Electrocardiogram Analysis for Noise-Robust Heart Rate and Heart Rate Variability Measurement

IEEE Journal of Translational Engineering in Health and Medicine, 2017
The last few years has seen a proliferation of wearable electrocardiogram (ECG) devices in the market with applications in fitness tracking, patient monitoring, athletic performance assessment, stress and fatigue detection, and biometrics, to name a few.
Diana P. Tobon, Srinivasan Jayaraman, Tiago H. Falk   +2 more
doaj   +1 more source

Heart rate variability in arterial hypertension

Кардиоваскулярная терапия и профилактика, 1970
This review discusses the mechanisms of heart rate and blood pressure regulation in healthy people and patients with arterial hypertension. The role of time and spectral parameters of heart rate variability (HRV) in the assessment of autonomic status of ...
S. M. Kakhramanova, A. B. Bakhshaliev, N. S. Nasrullaev   +2 more
doaj  

Effect of trimetazidine on heart rate variability in elder acute coronary syndrom [PDF]

, 1969
Daxin Wang, Jing Zhang
openalex   +1 more source