TY - CHAP M1 - Book, Section TI - Acute Abdominal Pain A1 - Gordon, David C. A2 - Sherman, Scott C. A2 - Weber, Joseph M. A2 - Schindlbeck, Michael A. A2 - Rahul G., Patwari PY - 2014 T2 - Clinical Emergency Medicine AB - primary survey should be conducted to rapidly screen for vascular catastrophes, abdominal sepsis, or perforated viscus.Appendicitis should always be on the differential diagnosis for acute abdominal pain.Females of childbearing age with abdominal pain are presumed to have an ectopic pregnancy until proven otherwise.Older and immunocompromised patients may have an atypical presentation of disease.The white blood cell count is an unreliable predictor of disease and should not be used in isolation to confirm or exclude a critical diagnosis. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/19 UR - accessemergencymedicine.mhmedical.com/content.aspx?aid=1101224668 ER -