Optimization of diagnostic imaging use in patients with acute abdominal pain (OPTIMA): Design and rationale

BMC Emergency Medicine

Table 1 Urgency classification of diagnoses

Urgent	Non-urgent
Acute appendicitis	Cholecystolithiasis
Acute diverticulitis	Obstipation
Perforated vicus	Gastrointestinal disorders^∥
Bowel obstruction/ileus	Hepatic disorders^¶
Bowel ischemia	Malignancy**
Inflammatory bowel disease	Gynaecological disorders^††
Peritonitis	Renal and urinary tract disorders^‡‡
Acute cholecystitis	Non-specific abdominal pain
Cholangitis
Pancreatitis (acute and chronic)
Abscess*
Renal and urinary tract disorders^†
Gynaecological disorders^‡
Extra-abdominal disorders^§

* Intra-abdominal abscess, retro-peritoneal abscess, hepatic abscess, tubo-ovarian abscess
^† Renal and ureteral stones with obstruction, hydronephrosis, pyelonephritis
^‡ Adnexal torsion, pelvic inflammatory disease, bleeding/rupture ovarian cyst
^§ Pneumonia, myocardial infarction, mediastinitis
^∥ Gastritis, gastroenteritis, peptic ulcer, acute epiploic appendagitis
^¶ Hepatitis, hepatic metastases
** Pancreatic, intestine and kidney malignancies
^†† Ovulation pain/bleeding, endometriosis, menstrual pain, uterine myoma
^‡‡ Renal and ureteral stones without obstruction, urinary tract infection

ISSN: 1471-227X