AI Article Synopsis
- The study aims to gather data on electrocardiogram (ECG) parameters specifically for Indian newborns, focusing on their gestational age.
- Conducted over 7 months, the observational study analyzed ECG data from 364 stable neonates recorded on their third day of life, with a minimum of 30 records for each gestational age from 30 to 42 weeks.
- The results showed no significant difference between heart rates measured by auscultation and ECG; the findings led to the creation of gestation age-specific percentile charts that can serve as a reference for neonatal ECG in Indian infants.
Article Abstract
Objective: To generate data of electrocardiogram (ECG) parameters according to gestational age in Indian newborns.
Methods: An observational study was carried out over 7 months in neonatology unit of a tertiary care teaching hospital. Following auscultation, ECG parameters were recorded simultaneously in 12 leads, on third day of life, in hemodynamically stable neonates. Data from 364 babies were analyzed, keeping at least 30 records for each gestational age between 30 to 42 weeks.
Results: There was no difference in mean heart rate recorded through auscultation and ECG traces. The mean (SD) values recorded were: P wave duration 0.04 (0.01) s, P wave amplitude 1.3 (0.4) mm, T wave duration 0.07 (0.02) s, T wave amplitude 1.1 (0.6) mm, PR interval 0.09 (0.02) s, QRS duration 0.04 (0.01) s, QT interval 0.26 (0.02) s, QTc 0.4 (0.03) s and QRS axis 127 (22) degree. Gestation age-wise percentile charts of different ECG parameters were generated.
Conclusions: These gestational age-wise percentile charts of different ECG parameters for Indian newborns can be used as reference for neonatal ECG.
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