Pulmonary stenosis – Cardiology MCQ

Asymptomatic child with an ejection systolic murmur, found to have pulmonary stenosis with a gradient of 36 mm Hg, what is needed?
a) Medical follow up
b) Open pulmonary valvotomy
c) Balloon pulmonary valvotomy
d) Diuretics

Please see the YouTube video above for the discussion