Why the study?
Do diurnal variations of ECG parameters differ among cardiac patients with ventricular arrhythmias, ischemic episodes, or neither?
Population
31 male cardiac patients (81% with myocardial infarction)
Comparison
23-hour continuous monitoring of ECG and… vs Comparison among three diagnostic categories…
Design
Cohort
Follow-up
23 hours
Authors
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Diurnal ECG differences may aid phenotyping in cardiac patients; hypothesis-generating and should not yet change practice.
Do diurnal variations of ECG parameters differ among cardiac patients with ventricular arrhythmias, ischemic episodes, or neither?
Diurnal variations in ECG parameters can differentiate cardiac patients based on the presence of ventricular arrhythmias or ischemic episodes.
Mytrik et al. (1990) studied this question.
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