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Related Concept Videos

Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
Assessing Body Temperature - Rectal01:27

Assessing Body Temperature - Rectal

Rectal temperature measurement is considered the most precise method for assessing core body temperature and typically registers higher than oral temperature. For adults, the rectal thermometer should be inserted 1 to 1.5 inches into the rectum to obtain the most accurate reading.
Follow these steps for rectal temperature assessment:
Step 1: Perform hand hygiene and don clean gloves to prevent cross-infection.
Step 2: Position the patient in a side-lying position to better visualize the rectal...
Urodynamic Studies: Uroflowmetry01:19

Urodynamic Studies: Uroflowmetry

Uroflowmetry is a non-invasive urodynamic test designed to measure various aspects of urination, including volume, flow rate, and the time to void. This test is crucial for diagnosing and assessing conditions such as bladder outlet obstruction, bladder dysfunction, incomplete bladder emptying, incontinence, and urinary tract blockages caused by benign prostatic hyperplasia (BPH) and urethral strictures.Pre-Test Instructions:Before a uroflowmetry test, patients are typically advised to drink...

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Related Experiment Video

Updated: Jun 6, 2026

Quantification of Levator Ani Hiatus Enlargement by Magnetic Resonance Imaging in Males and Females with Pelvic Organ Prolapse
07:41

Quantification of Levator Ani Hiatus Enlargement by Magnetic Resonance Imaging in Males and Females with Pelvic Organ Prolapse

Published on: April 17, 2019

How to interpret conventional anorectal manometry.

Jie-Hyun Kim1

  • 1Department of Internal Medicine, Institute of Gastroenterology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.

Journal of Neurogastroenterology and Motility
|November 25, 2010
PubMed
Summary
This summary is machine-generated.

Anorectal manometry is a key diagnostic tool for evaluating anorectal function, measuring anal sphincter tone, sensory responses, and defecatory processes. This report details the essential parameters for accurate measurement and interpretation of these tests.

Keywords:
Anal canalManometryRectum

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Area of Science:

  • Gastroenterology
  • Physiology
  • Diagnostic Medicine

Background:

  • Anorectal manometry is the established method for assessing anorectal function.
  • It quantifies anal sphincter tone and evaluates sensory responses, reflexes, rectal compliance, and defecatory function.

Purpose of the Study:

  • To define parameters for the measurement of anorectal manometry tests.
  • To establish guidelines for the interpretation of anorectal manometry results.

Main Methods:

  • Review and synthesis of established anorectal manometry protocols.
  • Definition of key measurable parameters including pressure, volume, and duration.
  • Description of normal ranges and abnormal findings for various anorectal functions.

Main Results:

  • Standardized parameters for quantifying anal sphincter tone.
  • Methods for assessing anorectal sensory thresholds and rectal compliance.
  • Criteria for evaluating rectoanal inhibitory reflexes and defecatory coordination.

Conclusions:

  • Anorectal manometry provides comprehensive assessment of anorectal function.
  • Standardized measurement and interpretation are crucial for accurate diagnosis.
  • This report provides a framework for consistent application of anorectal manometry.