adj. [Gr. chronos, time; trope, turn]
Affecting the rate of action, as accelerating or inhibiting.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • Chronotropic — effects (from chrono , meaning time, and tropos, a turn ) are those that change the heart rate. Chronotropic drugs may change the heart rate by affecting the nerves controlling the heart, or by changing the rhythm produced by the sinoatrial node …   Wikipedia

  • chronotropic — Affecting the rate of rhythmic movements such as the heartbeat. * * * chro·no·trop·ic träp ik adj influencing the rate esp. of the heartbeat <the chronotropic effects of epinephrine> * * * chron·o·tro·pic (kron″o troґpik) [chrono +… …   Medical dictionary

  • chronotropic — /kron euh trop ik, troh pik/, adj. affecting the rate or timing of a physiologic process, as the heart rate. [CHRONO + TROPIC] * * * …   Universalium

  • chronotropic — adjective Things that affect or change the heart rate or pulse (i.e. the time between p waves ) …   Wiktionary

  • chronotropic — chron·o·trop·ic …   English syllables

  • chronotropic —   a. affecting rate of pulse.    ♦ chronotropism, n …   Dictionary of difficult words

  • chronotropic — | ̷ ̷ ̷ ̷+.|träpik adjective Etymology: chron + tropic : influencing the rate especially of the heartbeat used especially of the inhibitory and accelerator cardiac nerves and of certain drugs * * * /kron euh trop ik, troh pik/, adj. affecting the …   Useful english dictionary

  • atrial chronotropic incompetence — inability to increase the heart rate to levels capable of satisfying the needs of the body …   Medical dictionary

  • Beta blocker — Beta blockers Drug class Skeletal formula of propranolol, the first clinically successful beta blocker ATC code C07 …   Wikipedia

  • Dromotropic — Derives from the Greek word Dromos , meaning running, a course, a race. A dromotropic agent is one which affects the conduction speed in the AV node, and subsequently the rate of electrical impulses in the heart.[1][2] Agents that are dromotropic …   Wikipedia

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