Peer-reviewed veterinary case report
Permanent junctional reciprocating tachycardia treated in English
By Santilli, Roberto A et al.·Published in Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology·2013·Clinica Veterinaria Malpensa, Italy·View original on PubMed →
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Original publication title: Permanent junctional reciprocating tachycardia in a dog.
- Species:
- dog
Plain-English summary
A 5-year-old male English Bulldog was brought in for a fast heartbeat that had been happening for a year. The dog was experiencing episodes of rapid heartbeats that were only somewhat controlled with medication. After testing, the vet found that the dog's condition was caused by a specific type of heart rhythm problem called permanent junctional reciprocating tachycardia (PJRT). The vet successfully treated the issue with a procedure that used radiofrequency energy to eliminate the abnormal pathway causing the fast heartbeats. At a follow-up appointment a year later, the dog had no signs of the fast heart rate returning.
People also search for: dog fast heartbeat treatment · English Bulldog heart problems · PJRT in dogs · radiofrequency ablation for dogs
Abstract
A 5-year-old male English Bulldog was presented with a 1-year history of paroxysmal supraventricular tachycardia (SVT) partially responsive to amiodarone. At admission the surface ECG showed sustained runs of a narrow QRS complex tachycardia, with a ventricular cycle length (R-R interval) of 260 ms, alternating with periods of sinus rhythm. Endocardial mapping identified the electrogenic mechanism of the SVT as a circus movement tachycardia with retrograde and decremental conduction along a concealed postero-septal atrioventricular pathway (AP) and anterograde conduction along the atrioventricular node. These characteristics were indicative of a permanent junctional reciprocating tachycardia (PJRT). Radiofrequency catheter ablation of the AP successfully terminated the PJRT, with no recurrence of tachycardia on Holter monitoring at 12 months follow-up.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/23962684/