<s>[INST] <<SYS>> This is a medical question of type : exams and tests <</SYS>> How to diagnose Situs inversus ? [/INST] How is situs inversus diagnosed? A thorough physical examination, followed by radiographic imaging of the chest and abdomen and electrocardiography, identify most cases of situs inversus. The main diagnostic challenge in affected people is the non-traditional presence of referred pain (pain felt in a different location than its source). </s>