pda_coil
An echocardiogram of a coiled persisting ductus arteriosus: One can see the aortic arch, the pulmonary artery, and the coil between them. | Public Domain, https://commons.wikimedia.org/w/index.php?curid=585121
An echocardiogram of a coiled persisting ductus arteriosus: One can see the aortic arch, the pulmonary artery, and the coil between them. | Public Domain, https://commons.wikimedia.org/w/index.php?curid=585121