Fig. 1

2D speckle-tracking strain image of RV. LpsS in different segments. a control group; b PAH group. LpsS, longitudinal peak systolic strain; PAH, pulmonary arterial hypertension; RV, right ventricle
2D speckle-tracking strain image of RV. LpsS in different segments. a control group; b PAH group. LpsS, longitudinal peak systolic strain; PAH, pulmonary arterial hypertension; RV, right ventricle