In recent years, medical research has drawn more attention to chaos in cardiacdynamics.
近年来，医学研究已经把很多注意力放在心脏动力学的混沌上。
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As an important sample to enrich the contents of medical physics, excitable system in nonlinear dynamics is inducted, and used to character the properties and behavior of neuron and cardiac cell.
This article reviews the clinical study status of sevoflurane in its effect on cardiac function, changes of clinical circular dynamics and their mechanism respectively.