<unk> <unk><unk>  is a<unk>  defect, present at birth<unk> , that results in low blood oxygen levels. There may be more than one defect.
Congenital heart disease cyanotic
Pulmonary hypertension risk factors
Patent foramen ovale post-surgical complications
Tracheitis risk factors
Pulmonary embolism risk factors
Pulmonary edema risk factors
Cardiomyopathy risk factors
Cyanosis in newborns