Respiratory sinus arrhythmia is mainly driven by central feedforward mechanisms in healthy humans

M Skytioti, M Elstad - Frontiers in Physiology, 2022 - frontiersin.org
… the mechanisms behind respiratory sinus arrhythmia (… pulmonary stretch reflex contributed
most to RSA in healthy humans. Ventilatory support reduces the centrally mediated respiratory

Enhancing respiratory sinus arrhythmia increases cardiac output in rats with left ventricular dysfunction

EL O'Callaghan, RM Lataro, EL Roloff… - The Journal of …, 2020 - Wiley Online Library
… variability, an indicator of good health and cardiac function. A … that it optimizes pulmonary
gas exchange through the close … pacing and we set the average pacing efficacy cut-off at 30%, …

Putting back respiration into respiratory sinus arrhythmia or high-frequency heart rate variability: Implications for interpretation, respiratory rhythmicity, and health

T Ritz - Biological Psychology, 2023 - Elsevier
… of regular gas exchange, such as high-altitude activity, Far Eastern breathing techniques, or
… , autonomic, and visceral activities with human performance and experience may turn out as …

Respiratory sinus arrhythmia–testing the method of choice for evaluation of cardiovagal regulation

M Mestanik, A Mestanikova, P Langer… - Respiratory physiology …, 2019 - Elsevier
… , the RSA improves gas exchange associated with a rise in … is associated with better executive
cognitive performance, … a homogeneous sample of healthy adolescents within a relatively …

Breath-by-breath analysis of respiratory sinus arrhythmia in dogs

G Grosso, T Vezzosi, A Briganti, C Di Franco… - Respiratory Physiology …, 2021 - Elsevier
… Each dog was judged healthy on the basis of its history, physical examination, standard 6-…
Examples from two dogs with very different respiratory sinus arrhythmia (RSA). From the top, …

Respiratory sinus arrhythmia (RSA), vagal tone and biobehavioral integration: Beyond parasympathetic function

P Grossman - Biological Psychology, 2023 - Elsevier
… -vagal interactions related to psychological functioning and health. This phenomenon of …
,‬ optimization of cardiopulmonary gas exchange or enhanced cardiac energy efficiency‬. It, …

Respiratory sinus arrhythmia during a mental attention task: the role of breathing-specific heart rate

JP Mortola, D Marghescu, R Siegrist-Johnstone… - Respiratory Physiology …, 2020 - Elsevier
… Indeed, the existence of Respiratory Sinus Arrhythmia (RSA, the difference between the …
gas exchange against the inequalities in flow patterns within the lungs. In fact, in mammals …

The magnitude of respiratory sinus arrhythmia of a large mammal (the horse) is like that of humans

G Piccione, E Giudice, C Giannetto… - Respiratory Physiology & …, 2019 - Elsevier
… That result was interpreted as being in support of the view that RSA contributes to the
efficiency of gas exchange, by fine-tuning the matching between pulmonary blood flow and …

[PDF][PDF] The effects of sustained inspiration and expiration on heart rate to elucidate the physical mechanics of respiratory sinus arrhythmia

MF Simoyi, B Martinez, EJ Lopez - Biomed J Sci & Tech Res, 2019 - researchgate.net
… In healthy individuals RSA is demonstrated by shortened RR Intervals (higher HR) during
inspiration and longer RR Intervals (lower HR) during expiration [2-10]. This phenomenon, …

Slow-paced breathing: Influence of inhalation/exhalation ratio and of respiratory pauses on cardiac vagal activity

S Laborde, M Iskra, N Zammit, U Borges, M You… - Sustainability, 2021 - mdpi.com
… and physical aspects of sport performance. For example, … through the properties of
respiratory sinus arrhythmia (RSA) [… of a respiratory pause should also include gas exchange