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Inhibition of a Physiologic Pacing System Due to its Anti‐Pacemaker‐Mediated Tachycardia Mode
Author(s) -
SATLER LOWELL F.,
RACKLEY CHARLES E.,
PEARLE DAVID L.,
FLETCHER ROSS D.,
NEGRO ALBERT A.
Publication year - 1985
Publication title -
pacing and clinical electrophysiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.686
H-Index - 101
eISSN - 1540-8159
pISSN - 0147-8389
DOI - 10.1111/j.1540-8159.1985.tb05898.x
Subject(s) - medicine , refractory period , cardiology , tachycardia , refractory (planetary science) , astrobiology , physics
Newer programmable DDD pacemakers prevent pacemaker‐medialed tachycardia by automatic extension of the atrial refractory period after a detected premature ventricular contraction. We present an example in which the automatic extension of the atrial refractory period resulted in pacemaker inhibition, which should not automatically be assumed to represent pacemaker malfunction. A careful understanding of pacemaker timing intervals may allow for identification and correction of this problem.