Correlation of Arrhythmias and Conduction Defects on the Resting Electrocardiogram with New Cardiac Events in 1,153 Elderly Patients
- 1 July 1991
- journal article
- research article
- Published by S. Karger AG in American Journal of Noninvasive Cardiology
- Vol. 5 (2) , 88-90
- https://doi.org/10.1159/000470419
Abstract
A prospective study correlated arrhythmias and conduction defects diagnosed by electrocardiogram with cardiac events in 1,153 elderly patients. The follow-up period was 45 ±18 months (range 9 to 61 months). The incidence of cardiac events (myocardial infarction, primary ventricular fibrillation, or sudden cardiac death) was increased in patients with atrial fibrillation (p < 0.001), pacemaker rhythm (p < 0.001), premature ventricular complexes (p < 0.001), left bundle-branch block (p < 0.001), intraventricular conduction defect (p < 0.001), or second-degree atrioventricular block (p < 0.05). The incidence of cardiac events was not increased in patients with right bundle-branch block, left anterior fascicular block, or first-degree atrioventricular block. Atrial fibrillation, pacemaker rhythm, premature ventricular complexes, left bundle-branch block, intraventricular conduction defect, and type II second-degree atrioventricular block are risk factors for cardiac events in elderly patients.Keywords
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