Life-threatening heart arrhythmia’s in dogs

Although it is rare, some dogs, often Labrador Retrievers, suffer from life-threatening, arrhythmia caused by atrioventricular accessory pathways (APs).

APs are abnormal electrical circuits in the heart that can become activated and overcome the heart’s normal current pathways, severely impairing the heart’s ability to pump.

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Accessory atrioventricular pathways are atypical muscle bundles that connect the atrium to a ventricle outside of the regular atrioventricular system. The traditional treatment is life-long medications and frequent trips to the veterinarian. However, Dr. Kathy N. Wright and her colleagues at MedVet, a family of emergency and specialty veterinary hospitals around the United States have used a technique that is successful in humans, to treat dogs.

What she has demonstrated is that radiofrequency catheter ablation is a safe and highly effective alternative to successfully treat dogs. RFCA uses radiofrequencies to destroy those rogue circuits and allow the heart’s normal function to resume. In her study, dogs were cured with one or two treatments.

Again, this is a case of human medicine benefitting dogs. It is encouraging to think that veterinarians and human doctors will continue to work together to make all of us healthier.

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