Autonomic control of heart rate exhibits diurnal shifts in a crocodilian

Amphibia Reptilia

Volumn 29, Issue 4, 2008, Pages 567-571

  Micheli, Mariana A ^a   Campbell, Hamish A ^b  

^a SÃO PAULO STATE UNIVERSITY UNESP   (Brazil)

^b UNIVERSITY OF QUEENSLAND   (Australia)

Author keywords

Heart rate variability; Hysteresis; Power spectral analysis; Thermoregulation

Indexed keywords

AUTOTOMY; BODY TEMPERATURE; CARDIOVASCULAR SYSTEM; CROCODILIAN; DIURNAL VARIATION; HYSTERESIS; THERMOREGULATION;

ANIMALIA; CAIMAN LATIROSTRIS; CROCODYLIDAE (ALL CROCODILES); MAMMALIA; REPTILIA;

EID: 66849097328     PISSN: 01735373     EISSN: 15685381     Source Type: Journal    
DOI: 10.1163/156853808786230505     Document Type: Article

References (14)

1. Akselrod, S., Gordon, D., Ubel, F.A., Shannon, D.C., Barger, A.C., Cohen, R.J. (1981): Power spectrum analysis of heart rate fluctuations: A quantitative probe of beat-to-beat cardiovascular control. Science 213: 220-222.
2. Campbell, H.A., Bishop, C., Egginton, S. (2005): Recording long-term heart rate in the Black cod (P. angustata) using an electronic datalogging device. J. Fish Biol. 67 (4): 1150-1156.
3. Campbell, H.A., Leite, C., Wang, T., Egginton, S., Taylor, E.W., Abe, A. (2006a): Evidence for a respiratory component, similar to mammalian respiratory sinus arrhythmia, in the heart rate variability signal from the rat- tlesnake, Crotalus durissus terrificus. J. Exp. Biol. 209: 2628-2636.
4. Campbell, H.A., Klepacki, J.Z., Egginton, S. (2006b): A new method in applying Power Spectral statistics to examine cardio-respiratory interactions in fish. J. Theo. Biol. 241 (2): 410-419.
5. De Boer, R.W., Karemaker, J.M., Stracker, J. (1987): Hemodynamic fluctuations and baroreflex sensitivity in humans - a beat-to-beat model. Am. J. Physiol. 253 (3): H680-H689.
6. Dzialowski, E.M., O'Conner, M.P. (2001): Physiological control of warming and cooling during simulated shuttling and basking in lizards. Physiol. Biochem. Zool. 74 (5): 679-693.
7. Gonzalez, J.G., De Vera Porcell, L. (1988): Spectralanalysis of heart-rate variability of lizard, Gallotia-Galloti. Am. J. Physiol. 254: R242-R248.
8. Grigg, G.C., Alchin, J. (1976): The role of the cardiovascular system in thermoregulation of Crocodylus johnstoni. Physiol. Biochem. Zool. 49: 24-36.
9. Grigg, G., Seebacher, F. (1999): Field test of a paradigm hysteresis of heart rate in thermoregulation by a freeranging lizard (Pogona barbata). Proc. Roy. Soc. Lond. Biol. 266: 1291-1297.
10. Malik, M. (1996): Heart rate variability. Standards of measurement physiological interpretation and clinical use. Eur. Heart J. 17: 354-319.
11. O'Conner, M.P. (1999): Physiological and ecological implications of a simple model of heating and cooling in reptiles. J. Therm. Biol. 24: 113-136.
12. Saul, J.P. (1990): Beat-to-beat variations of heart-rate reflect modulation of cardiac autonomic outflow. News Physiol. Sci. 5: 32-37.
13. Seebacher, F., Franklin, C.E. (2001): Control of heart rate during thermoregulation in the heliothermic lizard, Pogona barbata: importance of cholinergic and adrenergic mechanisms. J. Exp. Biol. 204: 4361-4366.
14. Seebacher, F., Franklin, C.E. (2007): Redistribution of blood within the body is important in an ectothermic vertebrate (Crocodylus porosus). Comp. Biochem. Physiol. A. 177 (8): 841-848.