If a ventricular septal defect is present, the oxygen saturation will be markedly higher in the right ventricle due to shunting of well oxygenated blood from the left ventricle to the right ventricle.
If a ventricular septal defect is present, the oxygen saturation will be markedly higher in the right ventricle due to shunting of well oxygenated blood from the left ventricle to the right ventricle.