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Heart rate

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

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

... 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 situations (10 min) in two pig breeds ...

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Nonlinear indices of heart rate variability during endodontic treatment

Nonlinear indices of heart rate variability during endodontic treatment

... portable heart rate monitor with a sampling rate of 1000 Hz, then uploaded to the Polar Precision Performance program ...the heart rate and the extraction of a cardiac period (or RR ...

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Physical activity as a health factor modifying heart rate variability (HRV)

Physical activity as a health factor modifying heart rate variability (HRV)

... the heart rate ...lower heart rate frequency have been ...the heart rate variability record, he observed heart rate reduction and the total power growth with the ...

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Effects of a swimming program on infants' heart rate response

Effects of a swimming program on infants' heart rate response

... The heart rate (hr, bpm) was collected with a moni- tor (polar S220, finland) at a sampling frequency of 1 hz. The coded transmitted band was adjusted around the infant’s chest. The device was placed while ...

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Ecg artifacts and poincare plot based heart rate variability

Ecg artifacts and poincare plot based heart rate variability

... are difficult to identify with spectral analysis [10]. Preliminary studies suggested that the two-dimensional shape of Poincaré plots might have prognostic implications in patients with autonomic disorders. Indeed, Woo ...

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Music in hospitalized patients: changes in heart rate

Music in hospitalized patients: changes in heart rate

... The heart rate variability is directly related to the central nervous system and any situations that can influence ...music, heart rate may be subject to changes that may be related to the ...

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Heart rate variability in normal and pathological sleep

Heart rate variability in normal and pathological sleep

... HR, heart rate; HRV, heart rate variability; LF, low frequency; MSNA, mus- cle sympathetic nerve activity; NCAP, non-CAP; NREM, non-REM; NU, nor- malized units; OSA, obstructive sleep apnea; ...

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Heart rate variability and arrhythmias evaluated with Holter in dogs with degenerative mitral valve disease

Heart rate variability and arrhythmias evaluated with Holter in dogs with degenerative mitral valve disease

... for heart disease, including angiotensin-converting enzyme (ACE) inhibitor, furosemide, spironolactone, and ...decrease heart rate and improve ...of heart failure who were treated with ...

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Heart rate responses to autonomic challenges in obstructive sleep apnea.

Heart rate responses to autonomic challenges in obstructive sleep apnea.

... describe heart rate responses to three autonomic challenges in OSA and control populations, with additional separation by ...in heart rate responses in OSA patients with respect to healthy ...

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Chronic obstructive pulmonary disease and heart rate variability: a literature update

Chronic obstructive pulmonary disease and heart rate variability: a literature update

... influences heart rate variability during respiratory maneuvers in patients with COPD; Reis and coworkers [26] aimed to evaluate the influence of respiratory muscle strength on the magnitude of respiratory ...

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Role of the cardiac nerve in the adaptive changes of heart rate in response to an aversive stimulus in Megalobulimus mogianensis

Role of the cardiac nerve in the adaptive changes of heart rate in response to an aversive stimulus in Megalobulimus mogianensis

... the heart rate of Megalobulimus mogianensis was evaluated with electrocardiogram recording in intact snails (N = ...in heart rate, with mean values ranging from 35.6 ± 1.2 (basal heart ...

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MaxiMuM heart rate Measured versus estiMated by different equations during the cardiopulMonary exercise test in obese adolescents

MaxiMuM heart rate Measured versus estiMated by different equations during the cardiopulMonary exercise test in obese adolescents

... Methods: This is a cross‑sectional study. Adolescents aged between 15 and 18 years old, with obesity (BMI Z‑score>2.0) were included. Demographic and anthropometric data were collected, followed by CPET, recording ...

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Relative influence of age, resting heart rate and sedentary life style in short-term analysis of heart rate variability

Relative influence of age, resting heart rate and sedentary life style in short-term analysis of heart rate variability

... In order to assess the relative influence of age, resting heart rate (HR) and sedentary life style, heart rate variability (HRV) was studied in two different groups. The young group (YG) ...

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Gaussian mixture model of heart rate variability.

Gaussian mixture model of heart rate variability.

... Heart rate variability (HRV), the amount of fluctuations around the mean heart rate, is a valuable tool to investigate the sympathetic and parasympathetic functions of the autonomic nervous ...

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Influence of heart failure severity on heart rate variability

Influence of heart failure severity on heart rate variability

... Heart rate variability in healthy controls and heart failure patients classified in NYHA functional classes. VLF =ǓǢǝǠǟǚǣǜǑǦǢǗǜǓǗǟǨǚǹǑ LF =ǟǚǣǜǑǦǢǗǜǓǗǟǨǚǹǑ HF =ǓǚǣǠǜǑǦǢǗǜǓǗǟǨǚǹǑ Tot Powe[r] ...

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Inverse Correlation between Heart Rate Variability and Heart Rate Demonstrated by Linear and Nonlinear Analysis.

Inverse Correlation between Heart Rate Variability and Heart Rate Demonstrated by Linear and Nonlinear Analysis.

... the heart rate variability (HRV; variation in R wave to R wave intervals) has attracted great attention, resulting in more than 17000-publications (PubMed ...and heart rate ...congestive ...

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DETECTING CONGESTIVE HEART FAILURE USING HEART RATE SEQUENTIAL TREND ANALYSIS PLOT

DETECTING CONGESTIVE HEART FAILURE USING HEART RATE SEQUENTIAL TREND ANALYSIS PLOT

... the heart rate by circulating epinephrine or neural release of ...actual heart rate at that state. The heart rate consistently responds in an expected direction based on the ...

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Analysis of heart rate variability on diabetic patients

Analysis of heart rate variability on diabetic patients

... In both experiments described in the next sections, the biomedical signals selected were ECGs collected from The PTB Diagnostic data base and only thirty seconds of that data was considered, which contains 549 records ...

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Rev Bras Med Esporte  vol.9 número5 en v9n5a08

Rev Bras Med Esporte vol.9 número5 en v9n5a08

... of heart rate variability and mortal- ity after an acute myocardial ...of heart rate variability and mortality in chronic heart failure: results of the United Kingdom heart ...

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Low-Volume High-Intensity Interval Training in a Gym Setting Improves Cardio-Metabolic and Psychological Health.

Low-Volume High-Intensity Interval Training in a Gym Setting Improves Cardio-Metabolic and Psychological Health.

... The current evidence regarding the efficacy of HIT in comparison to MICT originates from researcher-led laboratory-based investigations involving relatively small numbers of partici- pants [11, 20]. Exercise intensity in ...

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