Key result
Electrocardiographic patterns in normal children evolve significantly from birth to 5 years, with right ventricular dominance at birth transitioning to left ventricular dominance by age 3 to 5.
Population
104 normal children from a few hours old to 5 years of age
Design
Cross-sectional
Authors
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May aid age-specific ECG interpretation in young children; provides cross-sectional norms but leaves open longitudinal validation.
Observational (n=104)
The study defines the normal evolution of pediatric ECG patterns from birth to 5 years, highlighting the physiological transition from right to left ventricular dominance.
Gros et al. (1951) conducted an observational in Normal children (n=104). Age (development from birth to 5 years) was evaluated on Electrocardiographic patterns. Electrocardiographic patterns in normal children evolve significantly from birth to 5 years, with right ventricular dominance at birth transitioning to left ventricular dominance by age 3 to 5.
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