Archivos de cardiología de México
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The authors present the case of a 26 years old female, 56 kg weight and 154 cm height, with a giant patent ductus arteriosus (2.4 cm of internal diameter), ventricular septal defect, discrete preductal narrowing of the aortic arch and pulmonary artery hypertension that did not diminished after 100% oxygen breathing. The authors speculate about the origin of the giant ductus here presented, based on hemodynamic and embryological data.