variability

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variability

a characteristic of SERVICES, namely that being delivered by people, the standard of their performance is open to variation.

References in periodicals archive ?

The role of heart rate variability in sports physiology.

Influence of Competitive-Anxiety on Heart Rate Variability in Swimmers

Alteration of cardiac autonomic functions in patients with major depression: A study using heart rate variability measures.

Cardiac autonomic dysfunction assessed by heart rate variability in major depression

Low heart rate variability, which indicates autonomic nervous system imbalance, was significantly associated with metabolic syndrome, according to a 2015 study that used data from the offspring cohort (n=1143) of the Framingham Heart Study.

Shorts

Carotid atherosclerosis and heart rate variability in ischemic stroke.

Heart Rate Variability in Patients with Acute Ischemic Stroke at Different Stages of Renal Dysfunction: A Cross-sectional Observational Study

Association of heart rate variability with arrhythmic events in patients with arrhythmogenic right ventricular cardiomyopathy/dysplasia.

Time domain heart rate variability in Boxer dogs with arrhythmogenic right ventricular cardiomyopathy/ Variabilidade da frequencia cardiaca no dominio do tempo em caes da raca Boxer com cardiomiopatia arritmogenica do ventriculo direito

Wavelet transform to quantify heart rate variability and to assess its instantaneous changes" J.

Quantitative assessment of physiological parameters and heart rate variability techniques for analysing cardiac health

It is reasonable to speculate that the increase in heart rate, increased oxygen consumption, and muscular adaptations that result from the practice of climbing contributes to the increase in heart rate variability (as evidenced by higher rates in the time domain and the frequency observed in this study).

The practice of sport climbing contributes to the improvement of autonomic modulation in young individuals

Gender differences of heart rate variability in healthy volunteers.

Gender difference in heart rate variability in medical students and association with the level of stress

There was no significant difference in autonomic function tests and heart rate variability measurements between the patient and control groups.

QT dispersion and ventricular arrhythmias in children with primary mitral valve prolapse

Spiegel and his colleagues measured high-frequency heart rate variability (HF-HRV), which appears to be the best measure of parasympathetic tone, has been associated with longer survival in humans and animals, and is related to immune system functioning.

Targeting vagal activity could improve breast cancer survival

Assessment of sympathovagal imbalance by spectral analysis of heart rate variability in prehypertensive and hypertensive patients in Indian population.

Sympathovagal imbalance in prehypertension status

Conclusion: Heart rate variability reduces with advancing age irrespective of the gender reflecting increased likelihood for developing ventricular arrhythmias in the predisposed patients.

EFFECT OF AGE AND GENDER ON HEART RATE VARIABILITY IN PATIENTS WITH HEART FAILURE