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1st April 2022

A 3-week-old baby girl presents to paediatrics with cyanosis

A 3-week-old baby girl presents to paediatrics with cyanosis and a grade 4 ejection systolic murmur. The doctors suspect she has tetralogy of Fallot and would like to arrange an investigation to confirm the diagnosis.

Which of the following is the most appropriate investigation?

Select the SINGLE most appropriate option from the list below. Select ONE option only.

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