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Related Concept Videos

Flail Chest-I01:24

Flail Chest-I

Overview of Flail Chest
Flail chest is a severe and potentially life-threatening condition characterized by the fracture of three or more adjacent ribs in multiple places. It is most commonly caused by direct impacts and trauma, such as motor vehicle accidents or injuries from a steering wheel impact. It can also occur due to falls in elderly individuals with osteoporosis, or assaults involving sharp objects.
Pathophysiology
The pathophysiology of flail chest is complex, involving fractures of...
Esophageal Perforation-I: Introduction01:22

Esophageal Perforation-I: Introduction

Esophageal perforation is a severe medical condition characterized by a breach in the integrity of the esophageal wall. This breach can occur due to various factors such as trauma, medical procedures, or underlying diseases. When the esophageal wall is compromised, it allows food, fluids, and digestive juices into the chest cavity or adjacent structures, leading to potential complications and health risks.
The location of esophageal perforation can vary, occurring anywhere along the esophagus.
Veins of Thorax01:19

Veins of Thorax

The azygos system is a crucial part of the body's circulatory system and drains most of the thorax. It comprises the azygos, hemiazygos, and accessory hemiazygos veins.
The azygos vein, positioned just right of the midline and anterior to the vertebral column, begins at the junction of the right ascending lumbar and subcostal veins, terminating in the superior vena cava. This vein drains blood from the right side of the thoracic wall, thoracic viscera, and posterior abdominal wall.
The...
Flail Chest-II01:26

Flail Chest-II

Managing flail chest, a condition characterized by a segment of the chest wall moving independently from the rest of the thoracic cage, requires a comprehensive approach. It includes a thorough assessment of the patient's condition, a diagnostic evaluation to determine the extent of the injury, and the implementation of appropriate medical interventions tailored to the individual's needs.
Assessment:
1. Clinical Evaluation:
History:
Pneumothorax-I01:26

Pneumothorax-I

A pneumothorax is a condition where air builds up in the space between the lung and the chest wall, causing the lung to collapse. This condition arises when air enters the space between the parietal and visceral pleura, disrupting the negative pressure essential for lung inflation. This can lead to a partial or complete collapse of the lung.
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.
Pneumothorax II: Pathophysiology01:08

Pneumothorax II: Pathophysiology

Pneumothorax means the presence of air in the pleural space — the thin potential gap between the visceral and parietal pleura. This condition disrupts the normal pressure balance that keeps the lungs inflated, leading to partial or complete collapse of the affected lung.Normal physiologyUnder normal conditions, the pleural space maintains a slightly negative intrapleural pressure, which keeps the lungs expanded against the chest wall. This negative pressure creates a delicate balance between...

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Related Experiment Video

Updated: May 16, 2026

Exploring Deep Space - Uncovering the Anatomy of Periventricular Structures to Reveal the Lateral Ventricles of the Human Brain
17:13

Exploring Deep Space - Uncovering the Anatomy of Periventricular Structures to Reveal the Lateral Ventricles of the Human Brain

Published on: October 22, 2017

The hidden devil: unexpected retained knife in the chest wall.

Chi-chen Chang1, Hung-jung Lin, Ning-ping Foo

  • 1Department of Emergency, Chi-mei Medical Center, Liouying, Taiwan.

Ulusal Travma Ve Acil Cerrahi Dergisi = Turkish Journal of Trauma & Emergency Surgery : TJTES
|November 29, 2012
PubMed
Summary

Missed foreign bodies after stab wounds can lead to infection and organ injury. Computed tomography (CT) scans are recommended for penetrating injuries to detect retained objects and prevent complications.

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Normothermic Negative Pressure Ventilation Ex Situ Lung Perfusion: Evaluation of Lung Function and Metabolism
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Normothermic Negative Pressure Ventilation Ex Situ Lung Perfusion: Evaluation of Lung Function and Metabolism

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Last Updated: May 16, 2026

Exploring Deep Space - Uncovering the Anatomy of Periventricular Structures to Reveal the Lateral Ventricles of the Human Brain
17:13

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Published on: October 22, 2017

Normothermic Negative Pressure Ventilation Ex Situ Lung Perfusion: Evaluation of Lung Function and Metabolism
09:31

Normothermic Negative Pressure Ventilation Ex Situ Lung Perfusion: Evaluation of Lung Function and Metabolism

Published on: February 14, 2022

Area of Science:

  • Trauma Surgery
  • Emergency Medicine
  • Radiology

Background:

  • Penetrating trauma requires thorough evaluation to identify all injuries.
  • Missed foreign bodies pose significant risks, including infection and internal damage.

Observation:

  • A 52-year-old woman presented with stab wounds, but a retained knife in her chest was initially missed.
  • Standard diagnostic methods like history, physical exam, and plain films failed to detect the embedded foreign object.

Findings:

  • Retained foreign bodies, even obvious ones, can be overlooked in emergency settings.
  • Failure to identify embedded objects increases the likelihood of complications such as infection and further tissue damage.

Implications:

  • Computed tomography (CT) scanning should be considered for all penetrating injuries where examination is limited.
  • CT imaging can accurately delineate the extent of injury and identify retained foreign bodies, improving patient outcomes.
  • Early detection of retained foreign bodies through advanced imaging reduces the risk of severe complications.