Page 250 - Clinical Small Animal Internal Medicine

218 Section 3 Cardiovascular Disease

radiofrequency ablation. The technique consists in iden­ Prognosis
VetBooks.ir tifying the location of the accessory pathway, usually Adequate rhythm or rate‐control prevents complica­
around the tricuspid valve annulus, and delivering radi­
tions, such as tachycardia‐induced cardiomyopathy.
ofrequency energy to permanently damage the tissue
and block electrical conduction along the abnormal When the arrhythmia terminates following the adminis­
tration of antiarrhythmic medications, it is critical to
muscle bundle. However, the necessary equipment is monitor with frequent 24‐hour Holter recordings for any
available in only a few specialized veterinary centers.
signs of arrhythmia recurrence.

Further Reading

Estrada AH, Maisenbacher HW 3rd, Prosek R, Schold J, Pariaut R, Moise NS, Koetje BD, et al. Lidocaine converts
Powell M, VanGilder JM. Evaluation of pacing site in acute vagally associated atrial fibrillation to sinus
dogs with naturally occurring complete heart block. J rhythm in German shepherd dogs with inherited
Vet Cardiol 2009; 11: 137–9. arrhythmias. J Vet Intern Med 2008; 22: 1274–82.
Gelzer ARM, Kraus MS, Rishniw, M, et al. Combination Santilli RA, Perego M, Crosara S, et al. Utility of 12‐lead
therapy with digoxin and diltiazem controls ventricular electrocardiogram for differentiating parosxysmal
rate in chronic atrial fibrillation in dogs better than supraventricular tachycardias in dogs. J Vet Intern Med
digoxin or diltiazem monotherapy: a randomized crossover 2008; 22: 915–23.
study in 18 dogs. J Vet Intern Med 2009; 23: 499–508. Pariaut R, Santilli RA, Moise NS. Supraventricular
Menaut P, Bélanger MC, Beauchamp G, Ponzio NM, Moise tachyarrhythmias in dogs. In: Bonagura JD, Twedt DC,
NS. Atrial fibrillation in dogs with and without eds. Kirk’s Current Veterinary Therapy XV. St Louis,
structural and functional cardiac disease: a retrospective MO: Elsevier, 2013, pp. 737–44.
study of 109 cases. J Vet Cardiol 2005; 7: 75–83.