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Related Concept Videos

Appendicitis-II: Diagnostic Studies and Management01:29

Appendicitis-II: Diagnostic Studies and Management

Diagnosing and managing appendicitis requires a structured and comprehensive approach that spans from initial assessment to postoperative care. Here is an overview of the process:
Diagnosing Appendicitis
It requires a multifaceted approach, starting with a detailed physical examination to pinpoint the location and nature of the pain and identify any associated symptoms. Laboratory tests play a crucial role. A complete Blood Count (CBC) typically reveals leukocytosis (an increased number of...
Appendicitis-I: Introduction01:22

Appendicitis-I: Introduction

The appendix, a small, narrow, blind tube extending from the inferior part of the cecum, is widely regarded as a vestigial organ, having lost much of its original function through evolution. Despite its diminished role, the appendix can become inflamed, a condition known as appendicitis.
Etiology: Appendicitis can arise from various causes, primarily rooted in the obstruction of the appendix lumen. Factors contributing to this obstruction include fecal accumulation, lymphoid hyperplasia and, in...
Appendicitis01:19

Appendicitis

Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...
SBAR II: Application of SBAR01:14

SBAR II: Application of SBAR

SBAR is an effective communication tool used by healthcare professionals to communicate patient information accurately. SBAR stands for Situation, Background, Assessment, and Recommendation. For a better understanding, an example is given below.
SBAR Report from a Nurse to a Health Care Provider
S: "Hello, Dr. Smith. This is Jane, RN, from the Med Surg unit. I am calling to tell you about Ms. White in Room 210, who is experiencing increased pain and redness at her incision site. Her recent...
Assessment of apical pulse01:17

Assessment of apical pulse

Assessing the Apical Pulse
Assessing the apical pulse is a critical nursing procedure, particularly indicated for:
Assessment of the Abdomen II: Percussion01:18

Assessment of the Abdomen II: Percussion

Percussion is a fundamental technique used to assess the liver, spleen, and abdominal organs by tapping the abdomen and interpreting the resulting sounds. This method helps identify fluid, distention, and masses through variations in sound, such as the high-pitched tympany of air-filled areas and the dullness of solid masses. Understanding how to percuss these organs provides valuable information for healthcare professionals in diagnosing conditions early.
Percussion
Percussion is an essential...

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Related Experiment Video

Updated: Jun 10, 2026

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System
15:49

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System

Published on: October 16, 2013

Using appendicitis scores in the pediatric ED.

Katherine Mandeville1, Tamara Pottker, Blake Bulloch

  • 1Department of Emergency Medicine, Phoenix Children's Hospital, Phoenix, AZ 85016, USA.

The American Journal of Emergency Medicine
|August 3, 2010
PubMed
Summary
This summary is machine-generated.

The Alvarado and pediatric appendicitis score (PAS) are not reliable for diagnosing appendicitis alone in children. Further evaluation is needed, as both scores performed better in males than females.

Related Experiment Videos

Last Updated: Jun 10, 2026

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System
15:49

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System

Published on: October 16, 2013

Area of Science:

  • Pediatric surgery
  • Diagnostic accuracy studies

Background:

  • Appendicitis is common in children.
  • Accurate diagnosis is crucial to avoid complications and unnecessary surgery.
  • Clinical scoring systems aim to aid diagnosis.

Purpose of the Study:

  • To prospectively evaluate the Alvarado and pediatric appendicitis score (PAS) in children.
  • To determine the performance of these scores based on sex.

Main Methods:

  • Children presenting with abdominal pain concerning for appendicitis were enrolled.
  • Nine parameters for Alvarado and PAS were documented prior to imaging or surgical consultation.
  • Test characteristics were calculated for all patients and stratified by sex.

Main Results:

  • 287 children were included; 54% had confirmed appendicitis.
  • Patients with appendicitis had higher mean scores for both PAS (7.6) and Alvarado (7.2) compared to those without.
  • PAS (88% sensitivity, 50% specificity) and Alvarado (76% sensitivity, 72% specificity) showed variable performance, with better results in males.

Conclusions:

  • Neither the Alvarado score nor the pediatric appendicitis score (PAS) demonstrates sufficient predictive value for the sole diagnosis of appendicitis in children.
  • Performance differences were noted between sexes, suggesting potential limitations in universal application.