1. Circadian variation of Spilotes pullatus (Colubridae)
- Author
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Marcelo Reinert, Ayrton Adão Schmitt Júnior, and José Geraldo Pereira da Cruz
- Subjects
body temperature ,electrocardiogram ,QT interval ,RR interval ,snake ,Spilotes pullatus ,Science ,Biology (General) ,QH301-705.5 - Abstract
The circadian rhythm of the mean heart rate and RR and QT intervals in electrocardiograms were determined for Spilotes pullatus in normal cycle (day/light and night/dark) conditions, during springtime. The statistical analysis of the results revealed significant differences among time intervals, using Tukey's test. Heart rate and body temperatures demonstrated considerable variations in their respective values over the 24h monitoring period and long circadian rhythmicity in the electrocardiogram intervals (p
- Published
- 2006