Hemisystole Hem`i*sys"to*le, n. (Physiol.) Contraction of only one ventricle of the heart. [1913 Webster]

Note: Hemisystole is noticed in rare cases of insufficiency of the mitral valve, in which both ventricles at times contract simultaneously, as in a normal heart, this condition alternating with contraction of the right ventricle alone; hence, intermittent hemisystole. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • hemisystole — noun The contraction of the left ventricle alternating with that of the right ventricle, instead of both contracting together …   Wiktionary

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