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Electrocardiographic consequences of a peripatetic lifestyle in gray wolves (Canis lupus)

Citation

Layne G Adams, Lyn Kramer, Margaret Callahan, Ray Wack, Kevin Fox, Bruce Dale, Nick Demma, Ken Hinchcliff, and Peter Constable, Electrocardiographic consequences of a peripatetic lifestyle in gray wolves (Canis lupus): .

Summary

Cardiac chamber enlargement and hypertrophy are normal physiologic responses to repetitive endurance exercise activity in human beings and domestic dogs. Whether similar changes occur in wild animals as a consequence of increased activity is unknown. We found that free-ranging gray wolves (Canis lupus, n=11), the archetypical endurance athlete, have electrocardiographic evidence of cardiac chamber enlargement and hypertrophy relative to sedentary captive gray wolves (n=20), as demonstrated by significant increases in QRS duration, QT interval, and QT interval corrected for heart rate, a tendency towards increased Q, R, and S wave voltages in all leads, and a significant decrease in heart rate. We conclude that exercise activity level [...]

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  • Upper Colorado River Basin

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From Source - Mendeley RIS export <br> On - Tue May 10 11:17:30 CDT 2011

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Title Citation Electrocardiographic consequences of a peripatetic lifestyle in gray wolves (Canis lupus)

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