A baby was born with persistent central cyanosis despite rec…

A baby was born with persistent central cyanosis despite receiving high concentrations of O2 on high flow nasal cannula. An echocardiogram was performed and the baby was diagnosed with Tetrology of Fallot. What cardiac defects accounts for this anomaly?I. Right ventricular hypertrophyII. Overriding of the aortaIII. Aortic stenosisIV. Ventricular septal defect

A cyanotic newborn is diagnosed to have Tetrology of Fallot…

A cyanotic newborn is diagnosed to have Tetrology of Fallot (TOF). What cardiac defects does this involve?I.      Atrial septal defectII.      Pulmonary stenosisIII.      Overriding aortaIV.      Vetricular septal defect