Why the study?
What are the normal electrocardiogram characteristics and intervals in healthy infants and children?
Population
683 apparently healthy infants and children (ages 6 months to 9 years)
Design
Cross-sectional
Authors
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This study establishes normative ECG parameters for healthy infants and children, demonstrating that QRS and PR intervals are shorter than in adults and increase with age.
What are the normal electrocardiogram characteristics and intervals in healthy infants and children?
This study establishes normative ECG parameters for healthy infants and children, demonstrating that QRS and PR intervals are shorter than in adults and increase with age.
Maroney et al. (1950) studied this question.
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