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Conversion of atrial dissociation with lidocaine in a dog

Author:
Thorn, C.L., Vezina-Audette, R., Gelzer, A.R.
Source:
Journal of veterinary cardiology 2017 v.19 no.3 pp. 283-286
ISSN:
1760-2734
Subject:
blades, dissociation, dogs, electrocardiography, heart rate, ingestion, lidocaine, surgery
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.
Agid:
5687221