Fig. 2: Analysis of right ventricular and left atrial longitudinal strain by speckle-tracking echocardiography. | Pediatric Research

Fig. 2: Analysis of right ventricular and left atrial longitudinal strain by speckle-tracking echocardiography.

From: Cardiac adaptations to patent ductus arteriosus ligation in preterm infants: a speckle-tracking study

Fig. 2

a Right ventricular free wall strain and four-chamber strain obtained from apical four-chamber view (RV A4C). b Left atrial reservoir, conduit, and contraction strain measured from LA apical view using end-diastole as reference. RV right ventricular, LA left atrial, A4C apical four-chamber view, RVFWSL right ventricular free wall longitudinal strain, RV4cSL right ventricular four-chamber longitudinal strain, LASr_ED left atrial reservoir strain with a reference time point at end-diastole, LAScd_ED left atrial conduit strain with a reference time point at end-diastole, LASct_ED left atrial contraction strain with a reference time point at end-diastole.

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