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Assumption of pacemaker function of the heart by a subsidiary focus as a result of its own increased automaticity; for example, accelerated junctional pacemaker takes command when it exceeds the sinus rate.
[L. usurpo, pp. -atus, to seize]
References in periodicals archive ?
It seems that the Usurper chose to take Boehlmer's costume with him so that, in the event that the latter was soon freed, he would not be able to rush immediately out onstage.
If there is a weak link it's Goss, who fails to convey the rage and frustration of his misguided usurper.
He was switched at birth with the real Prince Aernon, the Usurper.
Using the familiar technique of trying to scare people into surrendering their liberties, the would-be usurper continued: "Either before we lose a city or, if we are truly stupid, after we lose a city, we will adopt rules of engagement that use every technology we can find to break up their capacity to use the Internet, to break up their capacity to use free speech, and to go after people who want to kill us to stop them from recruiting people.
Now, I have no interest in ever being associated with it again, which is why you can understand my complete aghast at the revelation that an usurper from the East has a legitimate chance to invade the Rose Bowl.
The Anglican church owes its existence as a separate branch of the Western church to the fact that it was willing to support a licentious king, the son of a usurper, in his desire to cast off one wife after another in his quest for an heir.
All ends happilly, with the double-dyed villain (not the usurping king, but his henchman) dead mad the usurper repenting his misdeeds.
As Daniel explained to David Toop in a recent issue of The Wire, "The [album] title is meant to suture the English Civil War of 1640 with the American Civil War of 1865 with the domestic civil war between us as boyfriends and bandmates with the current civil war in America between those who support Bush and those who despise him as the spineless usurper that he is.
The Usurper relates the story of Jorgen Jorgenson's strange and turbulent life.
Saddam Hussein tells visiting OPEC President Chakib Khelil of Algeria he would like to fight personally alongside Palestinians against the "criminal and usurper Jews" of Israel.
Who cannot see an ersatz share-holder value-swashbuckler in his rendering of that cunning, treacherous usurper, who, in a stage aside, delivers his soliloquy: "Plots have I laid, inductions dangerous, by drunken prophecies, libels and dreams, to set my brother Clarence and the king.
He received adulation "like a Roman emperor" and contested LBJ as a usurper of his place.