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50.236  Articles
1 of 5.025 pages  |  10  records  |  more records»
Pulse rate variability (PRV), an alternative measure of heart rate variability (HRV), is altered during obstructive sleep apnea. Correntropy spectral density (CSD) is a novel spectral analysis that includes nonlinear information. We recruited 160 children... see more

Introdution. Exercise can be defined as any structured and planned activity leading to an increase of energy expenditure, breathing and pulse rate. In the context of a correct lifestyle, a regular physical activity reduces the probability of cardiovascula... see more

Objective: There is a lack of studies exploring the effects of Zamzam water on human physiology. The present study determined the effects of Zamzam water on blood pressure and heart rate variability (HRV).Methods: This comparative interventional study was... see more

Although several studies have examined the effects of an owner’s absence and presence on a dog’s physiological responses under experimental conditions over short periods of time (minutes), little is known about the effects of proximity between... see more

Objective Based on the diagnosis of sports fatigue using physiological and biochemical indicators, to detect the changes of heart rate variability (HRV) index before and after heavy load training in boxing athletes, and observe the effect of heavy load tr... see more

On example of clinical analysis of two comparable in all parameters patients with arterial hypertension application of biofeedback (BFB) in the closed loop of heart rate variability (HRV) and paced breathing was evaluated. Both patients received standard ... see more

Introduction. The heart rate variability (HRV) is based on measuring (time) intervals between R-peaks (of RR-intervals) of an electrocardiogram (ECG) and plotting a rhythmogram on their basis with its subsequent analysis by various mathematical methods wh... see more

Intrioution. The heart rate variability (HRV) is based on measuring (time) intervals between R-peaks (of RR-intervals) of an electrocardiogram (ECG) and plotting a rhythmogram on their basis with its subsequent analysis by various mathematical methods tha... see more

Background: Ice massage is one of the common hydrotherapeutic procedures. The current study is first of its kind, conducted to evaluate the effect of ice massage to head and spine on blood pressure and heart rate variability in patients with hypertension.... see more

1 of 5.025 pages  |  10  records  |  more records»