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Medical Definition of Chronotropism
1. Modification of the rate of a periodic movement, e.g., the heartbeat, through some external influence. Origin: chrono-+ G. Trope, turn, change Negative chronotropism, retardation of movement, especially of the heart rate. Positive chronotropism, acceleration of movement, especially of the heart rate. (05 Mar 2000)
Lexicographical Neighbors of Chronotropism
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