Fig. 2From: Survey of PDA management in very low birth weight infants across ItalyEchocardiographic parameters used among Italian NICUs for the assessment of PDA and their percentage of use. LA Left Atrium, Ao Aorta, E Mitral E wave, A Mitral A wave, IVRT Isovolumic relaxation time, LVO Left ventricular output, LPA Left pulmonary artery, SVC Superior vena cavaBack to article page