“…Double outlet right ventricle is a type of abnormal ventriculoarterial connection in which both large arteries are fully or partially connected to the right ventricle, this definition implying that more than 50% of each great vessel arises from the right ventricle, which is known as ``the 50% rule.'' [1] , [2] , [3] , [4] Radiological examination is essential to localize and characterize the type of congenital malformation. In this report, we present an adult woman with a double outlet right ventricle who presented with dyspnea on exertion; together with the echocardiography and cardiac MRI findings.…”