Peer-reviewed veterinary case report
Lidocaine stopped abnormal fast heart waves in a dog with atrial
By Thorn, C L et al.·Published in Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology·2017·Department of Clinical Studies, United States·View original on PubMed →
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Original publication title: Conversion of atrial dissociation with lidocaine in a dog.
- Species:
- dog
Plain-English summary
A 3-year-old dog was brought in for surgery after swallowing razor blades and was found to have an unusual heart rhythm called atrial dissociation, where the heart's upper chambers were beating independently from the lower ones. The dog's heart rate was slow at 45 beats per minute, but there were also rapid p' waves at 250 beats per minute. The veterinarian treated this condition with lidocaine, which successfully stopped the abnormal heart activity. The dog was stable and able to proceed with surgery after the treatment.
People also search for: dog heart problems · atrial dissociation treatment · lidocaine for dogs · dog surgery after swallowing objects
Abstract
A 3-year-old healthy dog was presented for abdominal surgery following ingestion of razor blades. An electrocardiogram revealed a regular sinus bradycardia with normal P waves at a heart rate of 45 bpm. In addition, low-amplitude positive deflections (p' waves) were visualized at a regular interval and rapid rate of 250 bpm, dissociated from the normal sinus P waves. A tentative diagnosis of atrial dissociation was proposed. Administration of lidocaine abolished the p' waves. This case describes atrial dissociation observed following premedication that was successfully terminated using lidocaine in a healthy dog.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/28566246/