Key result
Spatial QRS-T angle and spatial ventricular gradient normal limits were established for healthy young adults aged 18-29 years based on 660 normal resting ECGs.
This study provides updated normal limits for the spatial QRS-T angle and spatial ventricular gradient in healthy young adults, which can aid in the accurate interpretation of ECGs.
May refine ECG interpretation in young adults; leaves open validation in larger, diverse cohorts.
We computed normal limits of the spatial QRS-T angle (SA) and the spatial ventricular gradient (SVG) in 660 normal resting ECGs (449 female / 211 male) recorded in healthy subjects aged 18–29 years. Values for males and females were compared, and normal limits for males from this study were compared to the normal limits for males, published previously in 1967.
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Scherptong et al. (2007) studied this question. Spatial QRS-T angle and spatial ventricular gradient normal limits were established for healthy young adults aged 18-29 years based on 660 normal resting ECGs.
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