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. Author manuscript; available in PMC: 2020 Jul 1.
Published in final edited form as: J Am Soc Echocardiogr. 2019 Jul;32(7):884–894.e4. doi: 10.1016/j.echo.2019.03.015

Figure 2:

Figure 2:

Figure 2:

Maturational patterns of (A) pulmonary artery acceleration time (PAAT) and (B) the ratio of PAAT to right ventricle ejection time (PAAT/RVET) in uncomplicated healthy preterm infants without cardiorespiratory disease (blue circles) and preterm infants with bronchopulmonary dysplasia, BPD (red triangles).