Which of the following is NOT a feature of Tetralogy of Fallot?

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Multiple Choice

Which of the following is NOT a feature of Tetralogy of Fallot?

Tetralogy of Fallot is characterized by four anatomical features that together cause reduced blood flow to the lungs and mixing of oxygenated and deoxygenated blood: a large ventricular septal defect, an overriding aorta that receives blood from both ventricles, obstruction of the right ventricular outflow tract (pulmonary stenosis), and right ventricular hypertrophy from the increased pressure the RV must generate. Left ventricular hypertrophy is not part of this spectrum because the left ventricle is not subjected to the same pressure overload seen with the RV outflow obstruction. So, left ventricular hypertrophy would not be expected in Tetralogy of Fallot.

Tetralogy of Fallot is characterized by four anatomical features that together cause reduced blood flow to the lungs and mixing of oxygenated and deoxygenated blood: a large ventricular septal defect, an overriding aorta that receives blood from both ventricles, obstruction of the right ventricular outflow tract (pulmonary stenosis), and right ventricular hypertrophy from the increased pressure the RV must generate. Left ventricular hypertrophy is not part of this spectrum because the left ventricle is not subjected to the same pressure overload seen with the RV outflow obstruction. So, left ventricular hypertrophy would not be expected in Tetralogy of Fallot.

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