Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Physiology of the Gastrointestinal System I: Ingestion and Propulsion01:22

Physiology of the Gastrointestinal System I: Ingestion and Propulsion

2.1K
The physiology of the gastrointestinal system begins with ingestion as food enters the mouth.
2.1K
Body Temperature01:25

Body Temperature

4.9K
The body's temperature, measured in degrees, is determined by the balance between heat production and dissipation to the surrounding environment. For instance, if exercising vigorously, the body will produce more heat, causing sweat and dissipating that heat. Despite extreme environmental conditions and physical exertion, the human temperature-control system maintains a constant core body temperature (the temperature of deep tissues, which are the tissues located beneath the skin and other...
4.9K
Body Temperature01:07

Body Temperature

1.5K
Body temperature reflects the equilibrium between heat production and heat loss within the body. Most heat is generated by metabolically active tissues, particularly the liver, heart, brain, kidneys, and endocrine organs. At rest, skeletal muscles contribute 20–30% of total heat production, but during vigorous exercise, this can increase up to 30–40 times.
The average body temperature is approximately 37°C (98.6°F) and typically ranges from 36.1–37.2°C...
1.5K
Centroid of a Body01:16

Centroid of a Body

1.9K
The centroid is an important concept in engineering, physics, and mechanics. It is the geometric center of a body. It always lies within the body except in cases with holes or cavities. When the material that a body is composed of is uniform or homogeneous, the centroid coincides with its center of mass or the center of gravity.
For a homogeneous body with constant density, the centroid can usually be found using equations representing a balance of the moments of the body's volume. If the...
1.9K
Free-body Diagram01:28

Free-body Diagram

3.7K
In mechanics, understanding the motion of objects is essential, and one tool that helps solve this problem is the free-body diagram. It is a simple but powerful graphical representation that succinctly represents all the forces acting on an object. A free-body diagram can represent a stationary or moving object, and is used in mechanics to explain the cause of an object's motion.
A free-body diagram transforms a complex problem into a simple representation, making it easy to understand the...
3.7K
Composite Bodies00:55

Composite Bodies

1.4K
A composite body is a body made up of multiple parts, connected to form a larger, unified object. Each part has its own weight and center of gravity, which must be considered to determine the center of gravity of the composite body. In cases where the density or specific weight is constant, the center of gravity coincides with the centroid.
Composite bodies have widespread applications in mechanical engineering, from automobiles to aircraft to rockets. For example, an automobile wheel comprises...
1.4K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

AI-Assisted Evaluation of Colon Cleanliness in Capsule Endoscopy Videos.

Diagnostics (Basel, Switzerland)·2025
Same author

Incidence of collagenous colitis in NHS Lothian: a population-based study.

Frontline gastroenterology·2022
Same author

Risk stratifying gastric ulcers: development and validation of a scoring system.

Frontline gastroenterology·2022
Same author

Disease Activity in the Final Years of Life for Patients with Long-standing Inflammatory Bowel Disease.

Journal of Crohn's & colitis·2022
Same author

Unsedated Transnasal Endoscopy: A Safe, Well-Tolerated and Accurate Alternative to Standard Diagnostic Peroral Endoscopy.

Digestive diseases and sciences·2022
Same author

An Overview of Robotic Capsules for Drug Delivery to the Gastrointestinal Tract.

Journal of clinical medicine·2021
Same journal

A Randomized Controlled Trial With an Internal Pilot of a Co-Designed App Targeting Upstream Suicide-Related Risk and Protective Factors Among International Students.

Suicide & life-threatening behavior·2026
Same journal

Predicting Next-Day Passive Suicidal Ideation in At-Risk Youth.

Suicide & life-threatening behavior·2026
Same journal

Emotional Responses to Social Media and Non-Suicidal Self-Injury Among Adolescents.

Suicide & life-threatening behavior·2026
Same journal

Prevalence and Timing of Suicidal Ideation, Preparation, and Attempts Among Mass Shooting Survivors.

Suicide & life-threatening behavior·2026
Same journal

Suicidality of Indigenous Teenagers as an Anomic Adaptation to Frustration: An Empirical Test (Correlates of Indigenous Teenage Suicidality).

Suicide & life-threatening behavior·2026
Same journal

Feasibility, Acceptability, and Impact of the Couples Crisis Response Plan (CCRP) to Reduce Post-Discharge Suicide Risk: A Randomized Controlled Trial.

Suicide & life-threatening behavior·2026
See all related articles

Related Experiment Video

Updated: Feb 9, 2026

Handheld Metal Detector Screening for Metallic Foreign Body Ingestion in Children
04:55

Handheld Metal Detector Screening for Metallic Foreign Body Ingestion in Children

Published on: September 11, 2018

11.3K

Self-harm by Sharp Foreign Body Ingestion.

Alexander R Robertson1

  • 1Department of Gastroenterology, Royal Infirmary of Edinburgh, Edinburgh, UK.

Suicide & Life-Threatening Behavior
|June 15, 2018
PubMed
Summary
This summary is machine-generated.

Patients ingesting sharp foreign bodies (FBs) often have a history of self-harm. Endoscopic removal of FBs did not prevent subsequent self-harm events but was frequently repeated.

More Related Videos

High Content Screening Analysis to Evaluate the Toxicological Effects of Harmful and Potentially Harmful Constituents HPHC
11:38

High Content Screening Analysis to Evaluate the Toxicological Effects of Harmful and Potentially Harmful Constituents HPHC

Published on: May 10, 2016

12.8K
Data Collection on Marine Litter Ingestion in Sea Turtles and Thresholds for Good Environmental Status
13:18

Data Collection on Marine Litter Ingestion in Sea Turtles and Thresholds for Good Environmental Status

Published on: May 18, 2019

12.6K

Related Experiment Videos

Last Updated: Feb 9, 2026

Handheld Metal Detector Screening for Metallic Foreign Body Ingestion in Children
04:55

Handheld Metal Detector Screening for Metallic Foreign Body Ingestion in Children

Published on: September 11, 2018

11.3K
High Content Screening Analysis to Evaluate the Toxicological Effects of Harmful and Potentially Harmful Constituents HPHC
11:38

High Content Screening Analysis to Evaluate the Toxicological Effects of Harmful and Potentially Harmful Constituents HPHC

Published on: May 10, 2016

12.8K
Data Collection on Marine Litter Ingestion in Sea Turtles and Thresholds for Good Environmental Status
13:18

Data Collection on Marine Litter Ingestion in Sea Turtles and Thresholds for Good Environmental Status

Published on: May 18, 2019

12.6K

Area of Science:

  • Medical Sciences
  • Gastroenterology
  • Psychiatry

Background:

  • Ingestion of sharp foreign bodies (FBs) is an uncommon method of self-harm.
  • Patients presenting with FB ingestion often have a history of self-harm, frequently linked to psychiatric diagnoses.

Purpose of the Study:

  • To follow up patients requiring urgent endoscopic intervention for FB ingestion.
  • To characterize these patients and determine if admission or FB removal influences future self-harm.

Main Methods:

  • Retrospective follow-up of 11 adult patients with 38 presentations requiring endoscopy over 28 months.
  • Analysis of patient history, psychiatric diagnoses, and re-presentation intervals after intervention.

Main Results:

  • 81.9% of patients were transferred from prison or psychiatric care, with 88.9% having a history of self-harm and a formal psychiatric diagnosis.
  • Objects retrieved included various sharp items. Median time between self-harm presentations was 11 days.
  • Patients discharged from the emergency department re-presented sooner (median 7.5 days) than those admitted (median 14 days) or undergoing endoscopy (median 11 days).

Conclusions:

  • Inpatient endoscopic removal of FBs was not associated with earlier re-presentation for self-harm compared to emergency department discharge.
  • FB ingestion and endoscopic removal were frequently repeated, often in a patterned manner, suggesting a need for targeted psychiatric support.