Age-dependent Dynamics of the Electrocardiographic Parameters in Cardiovascular Disease-Free Children.

ABSTRACT:

Background

Normative pediatric electrocardiographic (ECG) parameters are standardized, but lack temporal resolution for neonates and infants. These values are clinically important, as they support the diagnosis, risk stratification, and management of cardiovascular diseases (CVD).

Methods

Five ECG parameters (heart rate (HR), QRS, PR, QT, QTc intervals) were retrospectively analyzed from 7,346 recordings from 6,967 patients at a large pediatric hospital. Patients were only included if their ECG was adjudicated as normal by a pediatric cardiologist. Patients were assigned to 45 age groups: neonates (1-35 days, 35 groups), infants (2-6 months, 5 groups), and young children (1-5 years, 5 groups). Sensitivity analysis ranked ECG parameters to determine those most affected by age

SUBMITTER: Haq KT 

PROVIDER: S-EPMC12919161 | biostudies-literature | 2026 Feb

REPOSITORIES: biostudies-literature