overdrive

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o·ver·drive

(ō'vĕr-drīv),
1. An electrophysiologic pacing technique to exceed the rate of an abnormal pacemaker and so capture the territory controlled by that pacemaker (usually atrial).
See also: hesitant, antitermination.
2. A state of eukaryotic RNA polymerase wherein it is resistant to pause, arrest, or termination signals.
See also: hesitant, antitermination.

overdrive

/over·drive/ (o´ver-drīv) a more rapid heart rate produced in the correction of an underlying pathologic rhythm; see also under pacing.

o·ver·drive

(ō'vĕr-drīv)
An electrophysiologic pacing technique to exceed the rate of an abnormal pacemaker and so capture the territory controlled by that pacemaker (usually atrial).