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Related Concept Videos

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-II01:27

Pneumothorax-II

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:
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...
Pneumonia I: Introduction01:29

Pneumonia I: Introduction

Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...
Pneumonia I: Introduction01:30

Pneumonia I: Introduction

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...
Pleura of the Lungs01:13

Pleura of the Lungs

The lungs are nestled in a cavity, shielded by the pleura. The pleura, a form of serous membrane, wraps around each lung. This membrane arrangement consists of two layers: the visceral and parietal pleurae. The visceral pleura lines the surface of the lungIn contrast, the parietal pleura is the outer layer and contacts to the thoracic wall, the mediastinum, and the diaphragm. The hilum is the point of connection between the visceral and parietal layers. The space between the parietal and...

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Related Experiment Video

Updated: May 9, 2026

International Expert Consensus and Recommendations for Neonatal Pneumothorax Ultrasound Diagnosis and Ultrasound-guided Thoracentesis Procedure
05:50

International Expert Consensus and Recommendations for Neonatal Pneumothorax Ultrasound Diagnosis and Ultrasound-guided Thoracentesis Procedure

Published on: March 12, 2020

Pneumocephalus due to middle ear inflation.

Joo Yeon Kim1, Jung Ho Oh, Jae Hwan Kwon

  • 1Department of Otolaryngology-Head and Neck Surgery, Kosin University College of Medicine, Busan, Korea.

The Journal of Craniofacial Surgery
|July 16, 2013
PubMed
Summary

Middle ear inflation, used for diagnosing and treating ear conditions, can rarely cause pneumocephalus (air in the brain). This case highlights a potentially fatal complication following the procedure.

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Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation
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Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation

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Last Updated: May 9, 2026

International Expert Consensus and Recommendations for Neonatal Pneumothorax Ultrasound Diagnosis and Ultrasound-guided Thoracentesis Procedure
05:50

International Expert Consensus and Recommendations for Neonatal Pneumothorax Ultrasound Diagnosis and Ultrasound-guided Thoracentesis Procedure

Published on: March 12, 2020

Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation
06:59

Intrathecal Application of a Fluorescent Dye for the Identification of Cerebrospinal Fluid Leaks in Cochlear Malformation

Published on: February 29, 2020

Area of Science:

  • Otolaryngology
  • Neurosurgery
  • Medical Procedures

Background:

  • Middle ear inflation is a common diagnostic and therapeutic procedure for various middle ear diseases.
  • The procedure is utilized for assessing eustachian tube function and managing conditions like middle ear effusions and atelectasis.
  • While generally safe, rare but serious complications can occur, including pneumocele, brain hematoma, and air embolization.

Observation:

  • Pneumocephalus, a rare complication of middle ear inflation, involves air accumulating within the cranial cavity.
  • This condition is infrequently encountered by physicians, including otolaryngologists.
  • The reported case details an instance of pneumocephalus occurring immediately after middle ear inflation performed with a pneumatic otoscope and myringotomy.

Findings:

  • Middle ear inflation procedures, despite their widespread use, carry a risk of rare but severe adverse events.
  • Pneumocephalus is a potentially fatal complication that necessitates prompt recognition and management.
  • The immediate onset of pneumocephalus following the procedure underscores the importance of careful technique and patient monitoring.

Implications:

  • This case report emphasizes the need for heightened awareness among healthcare professionals regarding the potential for pneumocephalus after middle ear inflation.
  • It suggests that even with standard procedures like pneumatic otoscopy with myringotomy, vigilance for rare complications is crucial.
  • Further investigation into the mechanisms and risk factors for pneumocephalus in this context may be warranted to improve patient safety.