Results 121 to 130 of about 16,021,980 (396)

Should heart rate variability be “corrected” for heart rate? Biological, quantitative, and interpretive considerations

open access: yesPsychophysiology, 2018
Metrics of heart period variability are widely used in the behavioral and biomedical sciences, although somewhat confusingly labeled as heart rate variability (HRV).
E. D. de Geus   +4 more
semanticscholar   +1 more source

Heart Rate Variability [PDF]

open access: yesHypertension, 2014
See related article, pp 1334–1343 In this issue of Hypertension , Monfredi et al1 address a phenomenon that has been repeatedly described in the literature2–5 but, nevertheless, went largely unnoticed by the scientific community using heart rate variability (HRV) to assess cardiac autonomic control or to predict cardiovascular health.
openaire   +2 more sources

Dietary nitrate and nitrite protect against doxorubicin‐induced cardiac fibrosis and oxidative protein damage in tumor‐bearing mice

open access: yesFEBS Open Bio, EarlyView.
Chemotherapies such as doxorubicin can have toxic effects on healthy cardiovascular/heart tissue. Following up on a doxorubicin toxicity study in mice without tumors where nitrate water was cardioprotective (lessened toxicity), this study with tumor‐bearing mice undergoing doxorubicin treatment showed no negative effect of nitrate and nitrite on drug ...
Rama D. Yammani   +7 more
wiley   +1 more source

AMPLITUDE OF HEART RATE MODULATION WITH THE PERIOD OF\ud 3 CARDIOCYCLES DEPENDS ON THE PHYSIOLOGICAL AROUSAL OF THE BRAIN [PDF]

open access: yes, 2009
Amplitude of the 3-cardiocycle modulation of heart rate in records of 300 cardiointervals depends of the physiological arousal of brain. As arousal is a physiological component of stress, the amplitude of this heart rate modulation may be used as a ...
Mukhin, Dr Valery
core  

Effects of Dehydration on Archery Performance, Subjective Feelings and Heart Rate during a Competition Simulation [PDF]

open access: gold, 2020
Alexandros L. Savvides   +4 more
openalex   +1 more source

Identification of peripheral neural circuits that regulate heart rate using optogenetic and viral vector strategies

open access: yesNature Communications, 2018
Heart rate is under the precise control of the autonomic nervous system. However, the wiring of peripheral neural circuits that regulate heart rate is poorly understood.
Pradeep S. Rajendran   +15 more
semanticscholar   +1 more source

Antibiofilm activity of a chionodracine‐derived peptide by NMR‐based metabolomics of cell‐free supernatant of Acinetobacter baumannii clinical strains

open access: yesFEBS Open Bio, EarlyView.
KHS‐Cnd peptide is able to impair biofilm formation and disaggregate mature biofilms in Acinetobacter baumannii clinical isolates. Differences in extracellular metabolites reflect changes in biofilm metabolism due to KHS‐Cnd treatment. Among the differentially represented extracellular metabolites upon KHS‐Cnd treatment, the significantly altered ...
Fernando Porcelli   +9 more
wiley   +1 more source

A PhUn Week Incursion in Australia Teaches 3-4 and 5-6 Graders Exercise Physiology-PhUn Week Poster Session EB16 [PDF]

open access: yes, 2016
In Australia, primary schools grades 3 and 4 are combined in one class (3-4), as is grades 5 and 6 (5-6). To set up the outreach I made direct contact via email with the Assistant Principal.
Halpin, Patricia A.
core   +1 more source

ATP13A2 is involved in intracellular polyamine transport in lung epithelial cells

open access: yesFEBS Open Bio, EarlyView.
Spermidine transport in lung epithelial cells involves the polyamine transporter ATP13A2. Cell proliferation is associated with the upregulation of ATP13A2. Polyamines are present in all living cells and are implicated in various crucial cellular processes such as proliferation, apoptosis and autophagy.
Yuta Hatori   +8 more
wiley   +1 more source

Assessment of electrocardiography, echocardiography, and heart rate variability in dynamic and static type athletes

open access: yesInternational Journal of General Medicine, 2012
Mehrnoush Toufan,1 Babak Kazemi,1 Fariborz Akbarzadeh,1 Amin Ataei,1 Majid Khalili21Cardiovascular Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; 2Azerbaijan National Academy of Sciences, Baku, AzerbaijanBackground: Over the last ...
Ataei A   +4 more
doaj  

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