Superior Mesenteric Artery Dissection
A 56-year-old male visited an emergency department with sudden onset severe abdominal pain. Abdominal pain developed 4 days prior and he had been hospitalized at another hospital. The abdominal pain was severe (numeric rating scale, 8/10), and included steady epigastric pain that had lasted for 5 h before pain killer administration at the hospital. Thereafter he suffered from epigastric discomfort, in particular after meals. He was a social drinker and quit smoking 4 years prior after 30 years of cigarette smoking. There was no recent history of peptic ulcer symptoms, heavy alcohol drinking, blunt abdominal trauma, arrhythmia or past history of abdominal surgery, or aortic angiography.