00, abnormal, abnormality, alveolar, alveoli, alveolus, aorta, aortic, arterial, arteries, arteriosis, arteriosus, artery, atria, atrial, atrium, babies, baby, birth, birthing, births, blood, bloodflow, born, carbon, cardiac, cardial, cardio, cardiology, child, children, childrens, childs, circulate, circulation, circulatory, co, co-2, co2, conditions, congenital, coronary, defect, defective, defects, deformation, deformed, deformities, deformity, deliveries, delivery, dioxide, distress, ductus, exchange, exh6104, flow, following, foramen, foramina, gas, gyn, gynecological, gynecology, heart, hearts, hematology, hemology, infant, infants, labor, malformation, malformed, malformities, medicine, myocardial, myocardium, neonatal, neonatology, newborn, o2, ob, ob-gyn, ob/gyn, obstetric, obstetrical, obstetrics, oval, ovale, oxygen, patent, pediatric, pediatrics, pregnancies, pregnancy, pregnant, premature, problems, pulmo, pulmonary, pulmonology, respiration, respiratory, respire, systems, thorax, us, vascular, vasculature, vein, veinous, veins, venous, ventricle, ventricles, ventricular, vessel, vessels, 2, 3, 3600, 6104