mechanical alternation

mechanical alternation

n.
A disorder in which contractions of the heart are regular in time but are alternately stronger and weaker. Also called alternation of heart.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
References in periodicals archive ?
For some reason such mechanical alternation of good and bad fortune commands our attention.

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