Phenomena and Processes

Respiratory Sinus Arrhythmia

A naturally occurring variation in heart rate that occurs during a BREATHING cycle, where the time between heartbeats is shortened during inspiration and prolonged during expiration. It is not the same as SINUS ARRHYTHMIA, the disorder.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A naturally occurring variation in heart rate that occurs during a BREATHING cycle, where the time between heartbeats is shortened during inspiration and prolonged during expiration. It is not the same as SINUS ARRHYTHMIA, the disorder.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

2 entry terms
  • Arrhythmia, Respiratory Sinus
  • Sinus Arrhythmia, Respiratory

MeSH Record

Aspects Covered

5 allowable subheadings

Indexed with the subheadings drug effects, genetics, immunology, physiology, radiation effects.

MeSH Record

History Note

2015

MeSH Hierarchy

Tree Number

  1. G09.330.380w.500w.715

AMA Style

References

  1. National Library of Medicine. Respiratory Sinus Arrhythmia. Medical Subject Headings (MeSH). 2026. Unique ID D065809. http://id.nlm.nih.gov/mesh/2026/D065809
  2. Respiratory Sinus Arrhythmia. In: Wikidata. https://www.wikidata.org/wiki/Q63565261