Key result
Asynchronous cardiac pacing may induce ventricular tachycardia and fibrillation, particularly in patients with ischemic heart disease.
Why the study?
Does asynchronous ventricular pacing induce ventricular tachycardia and fibrillation in patients with pacemakers?
Does asynchronous ventricular pacing induce ventricular tachycardia and fibrillation in patients with pacemakers?
Asynchronous pacing can induce life-threatening ventricular arrhythmias, highlighting the need to ensure consistent demand pacing in patients with myocardial abnormalities.
Answers are grounded in this paper and cite their sources.
Asynchronous pacing may trigger VT/VF in ischemic patients; case report leaves open need for prospective validation of demand-mode programming.
Asynchronous cardiac pacing may induce ventricular tachycardia and fibrillation, particularly in patients with ischemic heart disease and possibly other types of myocardial abnormalities. All patients with implanted asynchronous pacemakers, and those whose demand pacemakers operate in asynchronous mode for any reason, are to be considered at risk from this complication. In patients with serious myocardial abnormalities consistent demand pacing should be assured, even if it requires early pacemaker replacement. Anti-arrhythmic agents may prove useful for temporary suppression of pacemaker-induced arrhythmias.
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Tommaso et al. (1982) conducted a review in Patients with implanted pacemakers, particularly those with ischemic heart disease. Asynchronous ventricular pacing was evaluated on Ventricular tachycardia and fibrillation. Asynchronous cardiac pacing may induce ventricular tachycardia and fibrillation, particularly in patients with ischemic heart disease.
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