Corrected transposition of the great arteries is a rare condition, and few patients with this abnormality survive past 50 years of age because of associated defects, or the subsequent development of atrioventricular valvular insufficiency or heart block or both. The case of our patient is of interest not only because she reached old age, but also because she lived a normal life, presenting with minor cardiac impairment and palpitations at the age of 70 years.