Publisher's Synopsis
Excerpt from The Journal of Experimental Medicine, 1914, Vol. 19
Burden-sanderson (6) confirmed the observation that the heart rate increased during inspiration. He believed that the enlargement of the thorax caused a belated expansion of the veins and the relaxing heart, which favored their filling. He reasoned that the more rapidly the cavities filled, the shorter the period of relaxation, the more vigorous its systole, and hence the higher the pressure.
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