return extrasystole

return extrasystole definition - medical

re·turn extrasystole (rĭ-tûrnˈ)

noun
A form of reciprocal rhythm in which the impulse, having arisen in the ventricle, ascends toward the atria but before reaching the atria is reflected back to the ventricles to produce a second ventricular contraction.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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