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Seasonal variations of cardiac output in rats

1975; Birkhäuser; Volume: 31; Issue: 11 Linguagem: Inglês

10.1007/bf01945794

0014-4754

G. Back, O. Strubelt,

Adipose Tissue and Metabolism

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.