Value of frontal QRS axis for risk stratification of individuals with prolonged PR interval.
Xiaodi CaoZhe WangZhang FangChuanchuan YuLinsheng ShiPublished in: Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc (2023)
QRS axis is an important factor for risk stratification in population with PR prolongation. The extent to which this population with PR prolongation and QRS axis ≤37° is at higher risk of death compared with the population without PR prolongation.