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Published online by Cambridge University Press: 22 June 2022
A 40-year-old female is admitted for paroxysmal episodes of exertional dyspnoea, with associated cyanosis, improving with squatting, and a holosystolic murmur radiating to the interscapular area. Echocardiography showed a subaortic ventricular septal defect with left-to-right shunt and overriding aorta. The characteristic murmur prompted us to seek right ventricular outflow tract obstruction. Magnetic resonance was performed, confirming Tetralogy of Fallot, and corrective surgery was performed.