Older Man With Abdominal Pain

Affiliations

• ¹ Department of Emergency Medicine, Cathay General Hospital, Taipei, Taiwan.
• ² Department of Emergency Medicine, Cathay General Hospital, Taipei, Taiwan; School of Medicine, College of Medicine, Fu Jen Catholic University, Taipei, Taiwan.
• ³ Department of Emergency Medicine, Cathay General Hospital, Taipei, Taiwan; School of Medicine, National Tsing Hua University, Hsinchu, Taiwan; Department of Education, Cathay General Hospital, Taipei, Taiwan.