Acute Abdominal Pain refers to pain going on 1-2 weeks, oftentimes just a few days. In contrast, Chronic Abdominal Pain, which continues on & off for weeks to years, is caused by completely different conditions.
Areas of the Abdomen

Acute Upper Abdominal Pain xxxxxxxx Acute Lower Abdominal Pain
Acute Flank Pain xxxxxxxxxxxxxxxxxxx Acute Generalized Abdominal Pain
Chronic Abdominal Pain