Doctors at Aga Khan University Hospital ‘s (AKUH) Paediatric Cardiac services successfully performed ‘arterial switch operations’ on two infants within three weeks of their newborn life. Both cases were born outside AKUH and brought in critical circumstances. On being diagnosed with serious heart defects, these infants required an urgent initial procedure called ‘balloon atrial septostomy’, which was soon followed by ‘arterial switch operations’ for the two infant patients.