Circulation, Vol 63, 1379-1382, Copyright © 1981 by American Heart Association
EA Astrinsky, S Furman and J Florio
During normal rate programming of a pulse generator from slower to more
rapid rates, intervals of output impulse suppression lasting 2 seconds plus
the newly programmed interval to a maximum of 3.935 seconds are possible,
and are a result of the pulse interval control system. These occur if
programming falls within the susceptible window (the period between the
existing interval and the new one) but will not take place if the
programming command is given immediately after an output pulse. Four
incidents with resulting ventricular asystole of up to 2.8 seconds are
documented and explained. No significant clinical complications were
observed.
ARTICLES
Asystolic episodes during pacemaker implantation
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