Korean J Vet Res.  2015 Sep;55(3):213-214. 10.14405/kjvr.2015.55.3.213.

Atropine-induced atrial bigeminy during general anesthesia in a Cocker Spaniel dog

Affiliations
  • 1Dasom Animal Medical Center, Busan 608-040, Korea.
  • 2Section of Small Animal Internal Medicine, College of Veterinary Medicine, Kangwon National University, Chuncheon 201-100, Korea. hyun5188@kangwon.ac.kr

Abstract

A 12-year-old female Cocker Spaniel (7.5 kg of body weight) was presented for resection of a mammary gland tumor. During surgery, the heart rate was remarkably decreased due to a second-degree type I atrioventricular block. Atropine (0.05 mg/kg) was administered to increase the heart rate. Although the heart rate was elevated, atrial bigeminy occurred and persisted until the dog fully recovered from general anesthesia. These results highlight the possibility of atrial bigeminy caused by atropine administration during anesthesia.

Keyword

atrial bigeminy; atrial premature complex; atropine; dog; sinus bradycardia

MeSH Terms

Anesthesia
Anesthesia, General*
Animals
Atrial Premature Complexes
Atrioventricular Block
Atropine
Child
Dogs*
Female
Heart Rate
Humans
Mammary Glands, Human
Atropine
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