“…2,3 Diaphragmatic-related shoulder pain can arise from a variety of etiologies, including direct diaphragmatic injury due to trauma or surgery, hiatal hernia, and various intraabdominal pathologies such as splenic laceration (Kehr's sign), intraabdominal bleeding, hollow viscus organ perforation, and hepatobiliary disease. 2,4 Block of the PhN is an anesthetic technique described for the selective diagnosis of diaphragmatic pain, the management of intractable hiccups, and the management of postoperative referred shoulder pain. [5][6][7] However, there are no reports of its application for managing referred shoulder pain in chronic disorders.…”