Equis ISSN 2398-2977

Heart: sinus dysrhythmia

Contributor(s): Christopher Brown, Wendy Furness, Lesley Young

Introduction

  • Sinus arrhythmias are periodic waxing and waning of heart rate.
  • Cause: changes in vagal tone.
  • Signs: irregular rhythm.
  • Diagnosis: ECG, auscultation.
  • Treatment: none required.
  • Prognosis: excellent.

Pathogenesis

Etiology

  • Associated with alteration in vagal tone.

Diagnosis

This article is available in full to registered subscribers

Sign up now to purchase a 30 day trial, or Login

Treatment

This article is available in full to registered subscribers

Sign up now to purchase a 30 day trial, or Login

Outcomes

This article is available in full to registered subscribers

Sign up now to purchase a 30 day trial, or Login

Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Raekallio Met al(1992)Long term ECG recording with Holter monitoring in clinically healthy horses.Acta Vet Scand33(1), 71-75PubMed.
  • Mc Guirk S Met al(1985)Diagnosis and treatment of cardiac arrhythmias.Vet Clin North Am Equine Pract1(2), 353-370PubMed.
  • Vibe-Petersen Get al(1980)Electrocardiography in the horse. ( A report of findings in 138 horses).Nord Vet Med32(3-4), 105-121PubMed.
  • Glendinning E Set al(1972)Significance of clinical abnormalities of the heart in soundness.Equine Vet J4(1), 21-30PubMed.
  • Buchanan J Wet al(1965)Spontaneous arrhythmias and conduction disturbances in domestic animals.Ann NY Acad Sci127(1), 224-238PubMed.


ADDED