Afferent and efferent cardiac neurotransmission via the cardiac nerves intricately modulates
nearly all physiological functions of the heart (chronotropy, dromotropy, lusitropy, and …

Sudden cardiac death (SCD) remains a daunting problem. It is a major public health issue
for several reasons: from its prevalence (20% of total mortality in the industrialized world) to …

Material de distribuição exclusiva à classe médica. Os Arquivos Brasileiros de Cardiologia
não se responsabilizam pelo acesso indevido a seu conteúdo e que contrarie a …

Metrics of heart period variability are widely used in the behavioral and biomedical sciences,
although somewhat confusingly labeled as heart rate variability (HRV). Despite their wide …

Research into cardiac autonomic control has received great interest in the past 20 years,
and we are now at a critical juncture with regard to the clinical translation of the experimental …

Background Experimental evidence suggests that autonomic markers such as heart-rate
variability and baroreflex sensitivity (BRS) may contribute to post-infarction risk stratification …

BACKGROUND We studied 715 patients 2 weeks after myocardial infarction to establish the
associations between six frequency domain measures of heart period variability (HPV) and …

In patients with cardiovascular disease (CVD), depression is common, persistent, and
associated with worse health‐related quality of life, recurrent cardiac events, and mortality …

The last two decades have witnessed the recognition of a significant relationship between
the autonomic nervous system and cardiovascular mortality, including sudden cardiac …

Background The clinical relevance of HRV was first appreciated in 1965 when Hon and Lee
6 noted that fetal distress was preceded by alterations in interbeat intervals before any …