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Peer-reviewed veterinary case report

Mapping and treating fast heart rhythm in a Boxer dog

By Hsue, W et al.·Published in Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology·2022·Hospital of the University of Pennsylvania, United States·View original on PubMed

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Original publication title: Three-dimensional activation maps of sinus rhythm and focal atrial tachycardia in a dog.

Species:
dog

Plain-English summary

A 5-year-old female boxer was brought in for frequent episodes of a fast heartbeat that didn't respond to medication. After thorough testing, the vet found no structural heart issues but identified a specific area in the heart causing the problem. They used a technique called radiofrequency ablation to target and treat the abnormal heartbeat. The dog recovered well from the procedure and has not had any more episodes of the fast heartbeat since then.

People also search for: dog fast heartbeat treatment · boxer heart problems · radiofrequency ablation for dogs

Abstract

A five-year-old, female-spayed boxer was referred for frequent and medically refractory paroxysmal supraventricular tachycardia. Diagnostic evaluation found no underlying structural heart or systemic diseases. Three-dimensional electroanatomical mapping and radiofrequency ablation were pursued. Activation mapping of normal sinus rhythm demonstrated the location of the sinus node in the posterolateral region of the right atrium. Activation mapping of the tachyarrhythmia identified a centrifugal activation pattern originating from the right atrium at the posterolateral aspect of the tricuspid valve orifice, suggestive of focal atrial tachycardia. A total of 10 ablation lesions were delivered to the earliest activation site. The dog recovered without complications and no recurrence of supraventricular tachycardia was noted on subsequent follow-ups.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/36356367/