OBJECTIVES To compare the contributions of patients, emergency physicians, and surgeons in the delay of diagnosis and treatment of appendicitis, and the effects of delay on disease stage and complication rate. DESIGN Retrospective study. SETTING Accident and emergency department of a district public hospital, Hong Kong. PATIENTS All patients undergoing emergency appendectomy between Augus...

A 44-year-old woman was admitted from the emergency department with severe acute upper abdominal pain. The patient had undergone a laparoscopic Roux-en-Y gastric bypass (RYGBP) operation 16 months previously. CT scan showed intraabdominal free air. At emergency laparoscopic reoperation, a perforated ulcer at the gastrojejunostomy was found. This late complication of RYGBP can be a rapidly progr...

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OBJECTIVES To measure the impact of the urgent care telephone service NHS 111 on the emergency and urgent care system. DESIGN Controlled before and after study using routine data. SETTING Four pilot sites and three control sites covering a total population of 3.6 million in England, UK. PARTICIPANTS AND DATA Routine data on 36 months of use of emergency ambulance service calls and inciden...

background: to identify and analyze factors that influence the grading and zoning management model of emergency triage as a first step in the improvement of the system. methods: questionnaires were used to extract data from clinical histories of 286 patients who attended the emergency department of binzhou central hospital (binzhou city, shandong province, china) from september to november of 2...

We describe an agent based model of an emergency department and its utility for evaluating workflow and assessing patient diversion policies. The overall goal of the research is to develop tools to better understand and manage emergency departments. There are several modes in which agent based modeling tools may be of benefit. In a self contained manner the operation of an emergency department ...