The electrocardiogram of anesthetized captive adult emus (Dromaius novaehollandiae) |
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| Authors: | Andrew Cushing Christopher Linney Modesto McClean Michael Stanford Mark Rishniw |
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| Affiliation: | 1. Zoological and Wildlife Department, Cornell University, College of Veterinary Medicine, Ithaca, NY 14853, USA;2. Los Angeles Zoo and Botanical Gardens, Los Angeles, CA 90027, USA;3. Small Animal Teaching Hospital, University of Liverpool, School of Veterinary Science, Neston CH64 7TE, England;4. Birch Heath Veterinary Clinic, Birch Heath Road, Tarporley, Cheshire CW6 9UU, England;5. Department of Cardiology, Cornell University, College of Veterinary Medicine, Ithaca, NY 14850, USA |
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| Abstract: | ObjectiveTo characterize the electrocardiogram (ECG) of anesthetized adult emus (Dromaius novaehollandiae).AnimalsTen clinically healthy adult emus anesthetised for routine physical examination and an electrocardiogram, for both monitoring and investigation into any evidence of cardiac disease.MethodsThe ECGs for each emu were obtained in right lateral recumbency, using a modified electrode placement that replicated the standard bipolar leads used in small mammals. Lead II was used for waveform analysis.ResultsMedian P wave amplitude was 0.55 mV (range: 0.2–0.92 mV) and P wave duration was 0.06 s (0.04–0.09 s). S wave amplitude measured 1.42 mV (0.92–2.12 mV), T wave amplitude 0.67 mV (0.16–0.83 mV) and QRS duration was 0.07 s (0.07–0.12 s). Ninety percent of the QRS complexes were of rS type.ConclusionOur study provides electrocardiographic baseline data for anesthetized adult emus. |
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