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Related Concept Videos

Pneumothorax-I01:26

Pneumothorax-I

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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.
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Pneumothorax-II01:27

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Pneumothorax is a medical condition defined by the buildup of air in the pleural space between the lungs and the chest wall. This accumulation of air can lead to partial or complete lung collapse, resulting in a range of clinical manifestations. Understanding the clinical presentation and effective management strategies is crucial for healthcare professionals in providing timely and appropriate care to individuals with pneumothorax.
Clinical Manifestations:
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Pneumonia III: Complications and Assessment01:30

Pneumonia III: Complications and Assessment

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Pneumonia poses the potential for numerous complications that warrant consideration. These complications include the following:
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Pneumonia II: Pathophysiology01:29

Pneumonia II: Pathophysiology

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The pathophysiology of pneumonia involves the following steps:
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Pulmonary Embolism I: Introduction01:29

Pulmonary Embolism I: Introduction

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Pulmonary embolism (PE) occurs when a thrombus, fat or air embolus, amniotic fluid, or tumor tissue blocks one or more pulmonary arteries. These blockages originate in the venous system or the right side of the heart.EtiologyPE primarily arises from deep vein thrombosis (DVT) and other hypercoagulable states, such as inherited thrombophilias. Additional etiological factors include venous stasis, commonly seen in obesity, and endothelial injury from surgery and trauma. Less common causes include...
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Pneumonia I: Introduction01:30

Pneumonia I: Introduction

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Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
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Related Experiment Video

Updated: Feb 27, 2026

Monitoring Lung Function with Electrical Impedance Tomography in the Intensive Care Unit
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Post Traumatic Tension Pneumocephalus: The Mount Fuji Sign.

J Ryan1, G Shields1, E Finegan1

  • 1Department of Emergency Medicine, Mater Misericordiae University Hospital, Dublin.

Irish Medical Journal
|July 1, 2017
PubMed
Summary

Pneumocephalus, or intracranial air, is often caused by head trauma. A rare case of tension pneumocephalus, presenting as the Mount Fuji sign, was managed conservatively without neurological deficit.

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Area of Science:

  • Neurology
  • Radiology
  • Neurosurgery

Background:

  • Pneumocephalus is the presence of intracranial air, typically resulting from head trauma.
  • Tension pneumocephalus can cause frontal lobe compression and is known as the Mount Fuji sign.

Observation:

  • A 52-year-old male presented after an assault with significant pneumocephalus on facial bone radiography.
  • CT scan confirmed tension pneumocephalus, a condition usually requiring urgent surgical decompression.

Findings:

  • Despite radiological evidence of tension pneumocephalus, the patient exhibited no clinical signs of increased intracranial pressure.
  • Conservative management was initiated for the patient's pneumocephalus.

Implications:

  • This case highlights that conservative management can be successful in select tension pneumocephalus cases.
  • It underscores the importance of correlating radiological findings with clinical presentation in managing intracranial air.
  • Further research into conservative management protocols for tension pneumocephalus may be warranted.