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Related Concept Videos

Traumatic Brain Injury l: Introduction01:28

Traumatic Brain Injury l: Introduction

DefinitionTraumatic brain injury, or TBI, is a disturbance of normal brain function induced by an external mechanical force, such as a direct blow to the head or a penetrating injury. It can affect both brain structure and function, producing a wide range of clinical outcomes. TBI is a heterogeneous condition, meaning its effects may differ based on the type, location, and severity of the injury.Basis of ClassificationTBI is classified based on severity, injury mechanism, or pathophysiology. In...
Increased Intracranial Pressure ll: Pathophysiology01:29

Increased Intracranial Pressure ll: Pathophysiology

Increased intracranial pressure (ICP) refers to a potentially life-threatening rise in pressure inside the skull. This usually happens when there is a major change in the volume of brain tissue, blood, or cerebrospinal fluid (CSF) — the three components inside the skull. According to the Monro-Kellie doctrine, if the volume of one component increases, the volumes of the other components must decrease to maintain normal pressure. If this does not happen, ICP rises.The process often begins with...
Increased Intracranial Pressure l: Introduction01:14

Increased Intracranial Pressure l: Introduction

Intracranial hypertension is a sustained elevation of intracranial pressure (ICP) above 22 mm Hg. In supine adults, normal ICP is ~7–15 mm Hg.The rigid, nonexpandable cranium contains three components—brain tissue, blood, and cerebrospinal fluid (CSF)—that total ~1,700 mL in a typical adult: 1,400 mL brain (~80%), 150 mL blood (~10%), and 150 mL CSF (~10%). According to the Monro–Kellie doctrine, total intracranial volume is effectively fixed. When one component expands, CSF and venous blood...
Hemorrhagic Stroke ll: Pathophysiology01:29

Hemorrhagic Stroke ll: Pathophysiology

A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...
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.
Cerebral Edema ll: Pathophysiology01:22

Cerebral Edema ll: Pathophysiology

Vasogenic edema is a major form of cerebral edema characterized by abnormal accumulation of fluid in the brain’s extracellular space due to disruption of the blood–brain barrier (BBB). The BBB is a specialized structure composed of endothelial cells connected by tight junctions, supported by astrocytic endfeet and a basement membrane. Under normal conditions, it tightly regulates the movement of ions, proteins, and solutes between the bloodstream and brain parenchyma. When this barrier loses...

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Related Experiment Video

Updated: May 24, 2026

Modified Mouse Model of Repetitive Mild Traumatic Brain Injury Incorporating Thinned-Skull Window and Fluid Percussion
04:54

Modified Mouse Model of Repetitive Mild Traumatic Brain Injury Incorporating Thinned-Skull Window and Fluid Percussion

Published on: April 19, 2024

Penetrating head injury.

Laura J Griffin1, Joanne V Hickey

  • 1The University of Texas Health Science Center at Houston School of Nursing, USA. ljgriffin@tmhs.org

Critical Care Nursing Quarterly
|March 13, 2012
PubMed
Summary
This summary is machine-generated.

Traumatic brain injury (TBI) impacts over a million civilians yearly, often with poor functional recovery. This case report details a penetrating gunshot wound to the head, exploring injury mechanisms and evidence-based care strategies.

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Last Updated: May 24, 2026

Modified Mouse Model of Repetitive Mild Traumatic Brain Injury Incorporating Thinned-Skull Window and Fluid Percussion
04:54

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Published on: April 19, 2024

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A Test Bed to Examine Helmet Fit and Retention and Biomechanical Measures of Head and Neck Injury in Simulated Impact
07:30

A Test Bed to Examine Helmet Fit and Retention and Biomechanical Measures of Head and Neck Injury in Simulated Impact

Published on: September 21, 2017

Area of Science:

  • Neurosurgery
  • Trauma Surgery
  • Neurology

Background:

  • Traumatic brain injury (TBI) is a significant public health concern, affecting over 1 million civilians annually.
  • Functional outcomes for civilians with TBI are frequently suboptimal, highlighting a need for improved management strategies.
  • Penetrating head injuries, though less common than blunt trauma, present unique challenges in pathophysiology and treatment.

Observation:

  • This case report focuses on a civilian patient who sustained a penetrating head and brain injury from a gunshot wound.
  • The report details the specific mechanisms of injury and the resulting pathophysiology.
  • Clinical presentation and initial management steps are described.

Findings:

  • The pathophysiology of penetrating brain injury from a gunshot wound involves complex mechanisms including cavitation, shock waves, and direct tissue damage.
  • Evidence-based management guidelines for such injuries emphasize prompt surgical intervention, infection control, and multidisciplinary care.
  • The case illustrates the application of these guidelines in a real-world clinical scenario.

Implications:

  • Comprehensive, evidence-based management is crucial for optimizing functional outcomes in patients with penetrating TBI.
  • Understanding the specific pathophysiology of gunshot wounds to the head informs targeted treatment approaches.
  • This case report contributes to the body of knowledge on managing severe TBI, potentially improving future patient care and outcomes.