Abstract
Objective This study aimed to determine the mean values of electrocardiographic parameters, and to describe the pattern of electrocardiograms in young adults.Methods and results 353 healthy young adults were evaluated by medical history, physical examination, and standard 12-lead electrocardiogram. The mean heart rate, QRS duration, PR interval, QT interval, corrected QT interval (QTc), T wave axis, P wave duration and amplitude were: 74 ± 9 beats per min, 0.09 ± 0.01s, 0.15 ± 0.02 s, 0.36 ± 0.02 s, 0.40 ± 0.02 s, 54 ± 20°, 49 ± 14°, 0.09 ± 0.01 s, 1.28 ± 0.41 mm, respectively. The dominant electrocardiographic peculiarity among the participants was early repolarization which was characterized by male preponderance.Conclusion This study defi ned baseline values for electrocardiographic variables in healthy young adults. Early repolarization is a common ECG feature in young adults.
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