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QT Sensing Rate Responsive Pacing and Myocardial Infarction:
Author(s) -
EDELSTAM CECILIA,
HEDMAN ANDERS,
NORDLANDER ROLF,
PEHRSSON S. KENNETH
Publication year - 1989
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.1540-8159.1989.tb02687.x
Subject(s) - medicine , myocardial infarction , cardiology , infarction , ventricular pacing , heart rate , atrioventricular block , anesthesia , heart failure , blood pressure
A 65‐year‐old man, treated with the QT sensing rate responsive pacemaker required to manage high degree AV block, sustained a transmural inferior wall myocardial infarction 6 months after the pacemaker implant. The rate response of the pacemaker during the acute phase of the infarction was physiological as evidenced by increased pacing rate during pain and with the gradual decrease in rate during the first postinfarction days. The underlying mechanisms are discussed.