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December 12, 1931

The Cardiac Cycle.

JAMA. 1931;97(24):1824. doi:10.1001/jama.1931.02730240074038

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Theories as to the phenomena of the cardiac cycle must, the author says, tally not alone with the facts of physiology but with the laws of physics and chemistry that operate as well in the living body as in the outer so-called inorganic world. When physiologic views are at variance with these laws, such views must yield; physics and chemistry are fundamentals. He makes the flow of the lymph a part of the circulatory act, a part of "one general, associated, liquid movement which obtains throughout the body—a movement essential to its corporate life." He stresses the pulse wave as an important pressor factor in the lymph circulation. The monograph is scholarly and well written. It will interest especially the student of cardiac physiology.

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