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==Overview==
==Overview==
'''Appendicitis''' is a condition characterized by [[inflammation]] of the [[Vermiform appendix|appendix]].<ref>{{cite web | url = http://www.kmle.com/search.php?Search=appendicitis | title = ''KMLE Medical Dictionary Definition of appendicitis'' | author = [http://www.kmle.com The American Heritage Stedman's Medical Dictionary]}}</ref> While mild cases may resolve without treatment, most require removal of the inflamed appendix, either by [[laparotomy]] or [[laparoscopy]].  Untreated, mortality is high, mainly due to [[peritonitis]] and [[Shock (medical)|shock]].<ref>Hobler, K., Acute and Suppurative Appendicitis: Disease Duration and its Implications for Quality Improvement, Permanente Medical Journel, volume 2, #2, Spring 1998.</ref> Reginald Fitz first described acute appendicitis in 1886,<ref> Fitz, RH. Perforating inflammation of the vermiform appendix with special reference to its early diagnosis and treatment. Am J Med Sci 1886; 92:321 </ref> and it has been recognized as one of the most common causes of acute abdomen pain worldwide.  Appendicitis is usually accompanied by [[Ddx:Lower Quadrant Abdominal Pain|Abdominal pain]], [[Ddx:Anorexia|anorexia]],[[Ddx:Fever|fever]], and [[Ddx:Nausea and Vomiting|nausea or vomiting]]
'''Appendicitis''' is a condition characterized by [[inflammation]] of the [[Vermiform appendix|appendix]]. While mild cases may resolve without treatment, most require removal of the inflamed appendix, either by [[laparotomy]] or [[laparoscopy]].  Untreated, mortality is high, mainly due to [[peritonitis]] and [[Shock (medical)|shock]]. Reginald Fitz first described acute appendicitis in 1886, and it has been recognized as one of the most common causes of acute abdomen pain worldwide.  Appendicitis is usually accompanied by [[Ddx:Lower Quadrant Abdominal Pain|Abdominal pain]], [[Ddx:Anorexia|anorexia]],[[Ddx:Fever|fever]], and [[Ddx:Nausea and Vomiting|nausea or vomiting]]


==Historical Perspective==
==Historical Perspective==

Revision as of 16:06, 9 August 2012

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Appendicitis is a condition characterized by inflammation of the appendix. While mild cases may resolve without treatment, most require removal of the inflamed appendix, either by laparotomy or laparoscopy. Untreated, mortality is high, mainly due to peritonitis and shock. Reginald Fitz first described acute appendicitis in 1886, and it has been recognized as one of the most common causes of acute abdomen pain worldwide. Appendicitis is usually accompanied by Abdominal pain, anorexia,fever, and nausea or vomiting

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Appendicitis from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Diagnosis

Treatment