الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
Acute abdomen is one of the most frequent presentations to the ED. It is vital that the emergency physician has an understanding and be familiar with the presentations of common diseases that cause acute abdomen to achieve maximum efficiency in the diagnosis and treatment.
The causes of acute abdomen are several and their relative incidences vary in different populations. Several factors are described to be responsible for these differences. Age, gender, socioeconomic factors and diet have mostly been incriminated to be responsible for the observed differences.
The aim of this work was to determine the different patterns and common causes of acute abdomen and their incidence in relation to age, gender and location of pain in the ED in Alexandria main university hospital.
The study is based on 1007 patients who had been admitted with acute abdomen to the ED of Alexandria Main University Hospital over a period of 6 months from 1st February 20011 to the end of July 2011.Final diagnosis and patient data were collected from the daily admission records which included demographic data of the patients and pain analysis.
In this study the range of age was (14 -73 years); mean age was 35 years. Male: female ratio was 0.92. The majority of patients were between 21-30 years old (23.5%), then between 31-40 years old (22.4%).
The most frequent final diagnoses at the emergency department were NSAP in (29.9%), acute appendicitis in (19.1%), genitourinary tract diseases (14.4%) and acute cholecystitis (9.5%). Less common but still important causes of acute abdomen were MVO (1.3%), malignancy (1.3%), acute diverticulitis (1.2%), and acute pancreatitis account for (1%).