Which of the following is a classic feature of Tetralogy of Fallot?

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Multiple Choice

Which of the following is a classic feature of Tetralogy of Fallot?

Tetralogy of Fallot creates a situation where the right ventricle has to work against a narrowed outflow tract, leading to a chronic pressure load. That sustained strain causes the right ventricle to enlarge and thicken—right ventricular hypertrophy. This hypertrophy is a hallmark finding and helps explain why the condition is often associated with a boot-shaped heart on imaging and signs of RVH on an ECG. The other options don’t fit TOF: an atrial septal defect is a separate congenital defect, mitral valve prolapse isn’t part of TOF, and aortic coarctation is a different congenital lesion.

Tetralogy of Fallot creates a situation where the right ventricle has to work against a narrowed outflow tract, leading to a chronic pressure load. That sustained strain causes the right ventricle to enlarge and thicken—right ventricular hypertrophy. This hypertrophy is a hallmark finding and helps explain why the condition is often associated with a boot-shaped heart on imaging and signs of RVH on an ECG. The other options don’t fit TOF: an atrial septal defect is a separate congenital defect, mitral valve prolapse isn’t part of TOF, and aortic coarctation is a different congenital lesion.

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