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Pronunciation: ridh'um


  1. Measured time or motion; the regular alternation of two or more different or opposite states.
  2. Regular or irregular occurrence of an electrical event in the electrocardiogram or electroencephalogram.
  3. Sequential beating of the heart generated by a single beat or sequence of beats.

Synonym(s): rhythm method

[G. rhythmos]

See Also: wave

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.