Korean J Vet Res > Volume 55(3); 2015 > Article
Korean Journal of Veterinary Research 2015;55(3):213-214.
DOI: https://doi.org/10.14405/kjvr.2015.55.3.213    Published online September 22, 2015.
Atropine-induced atrial bigeminy during general anesthesia in a Cocker Spaniel dog
Sang-Il Suh1, Sung-Eon Kim1, Ran Choi1, Changbaig Hyun2
1Dasom Animal Medical Center
2Section of Small Animal Internal Medicine, College of Veterinary Medicine, Kangwon National University
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.
Key Words: atrial bigeminy, atrial premature complex, atropine, dog, sinus bradycardia

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