, Volume 31, Issue 11, pp 1304–1306 | Cite as

Seasonal variations of cardiac output in rats

  • G. Back
  • O. Strubelt
Specialia Physiologica


Cardiac output of rats shows seasonal variations with low values in spring and summer and high ones in autumn and winter. The stroke volume was much more implicated in these changes than the heart rate. The seasonal changes of cardiac output are probably due to changes of thyroid function.


Heart Rate Cardiac Output Seasonal Variation Stroke Volume Seasonal Change 
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Copyright information

© Birkhäuser Verlag 1975

Authors and Affiliations

  • G. Back
    • 1
  • O. Strubelt
    • 1
  1. 1.Abteilung für Toxikologie der Medizinischen Hochschule LübeckLübeckGerman Federal Republic, BRD

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