EM CYOA mandatory module. Abdominial Pain. Mrs. Laplace is a 50-year-old female with a 30-pack-year smoking history and uncontrolled HTN who presents to your emergency department with sudden onset diffuse abdominal pain and lightheadedness. The pain radiates to her back and she has never had this type of pain before. She denies any chest pain, shortness of breath or palpitations. She does not visit a doctor regularly.