Key result
Aging is associated with declining cardiac dipole activity, showing ~13% total activity variation.
Why the study?
A model representing the heart's electrical activity as multiple dipoles was evaluated to understand ventricular depolarization and dipole strength variation with age.
Population
58 normal sedentary subjects
Design
Observational study measuring thoracic potentials at 126 locations
Authors
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Supports multi-dipole modeling of normal ventricular depolarization; leaves open clinical translation or diagnostic utility.
Observational (n=58)
Holt et al. (1969) conducted an observational in Healthy (normal sedentary subjects) (n=58). Multiple dipole model of cardiac electrical activity was evaluated on Dipole activities (DA) variation. A multiple dipole model of cardiac electrical activity in 58 normal subjects showed that dipole activities decreased systematically with age, with age-adjusted total activity fluctuating by ±13%.
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