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Related Concept Videos

Atelectasis II: Pathophysiology01:10

Atelectasis II: Pathophysiology

Atelectasis develops when alveoli lose their air and collapse inward. Because lung tissue is naturally elastic, these air sacs shrink rather than remaining open. Collapsed alveoli are no longer ventilated, reducing their role in gas exchange. Blood flow may continue in these regions, creating a ventilation–perfusion mismatch. Clinical findings include decreased breath sounds, dullness to percussion, reduced chest expansion, and decreased tactile fremitus as sound transmission through collapsed...
Pulmonary Cycle: Exhalation01:17

Pulmonary Cycle: Exhalation

In terms of human respiration, the act of expelling air, known as exhalation (or expiration), operates on the principle of pressure gradients. During expiration, the pressure within the lungs exceeds that of the surrounding atmosphere. Under normal conditions, quiet breathing involves passive exhalation and is free of muscular contractions. This is because the exhalation process is driven by the natural elastic recoil of the lungs and chest wall, both of which have an inherent tendency to...
Endoscopic Studies II: Thoracocentesis01:26

Endoscopic Studies II: Thoracocentesis

Thoracentesis(Thoracocentesis), commonly known as pleural tap, is a medical procedure where a 22 gauge needle is inserted into the pleural space, the area between the lung and chest wall. This procedure is commonly performed to diagnose or treat various respiratory disorders.
Description
Excess pleural fluid or air may accumulate in some respiratory disorders in the thoracic cavity. To treat pleural effusion, a physician conducts thoracentesis by carefully piercing the chest wall and entering...
Endotracheal Intubation I: Procedure01:15

Endotracheal Intubation I: Procedure

Endotracheal or ET intubation is a critical medical procedure used to secure a patient's airway, often in acute respiratory distress, apnea, upper airway obstruction, ineffective clearance of secretions, high risk for aspiration, or during general anesthesia.
The ET tube comprises various components, including a standard adaptor to attach a bag-valve-mask (BVM) or ventilator, a cuff, a pilot balloon, and radiopaque markings along its length to measure the insertion distance. The tube sizes...
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:

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Related Experiment Video

Updated: Jul 18, 2026

Endaural Endoscopic Atticoantrotomy (Retrograde Mastoidectomy) using a Constant Suction Bone-drilling Technique
07:06

Endaural Endoscopic Atticoantrotomy (Retrograde Mastoidectomy) using a Constant Suction Bone-drilling Technique

Published on: May 23, 2021

Middle ear atelectasis: what causes it and how is it corrected?

Christopher J Danner1

  • 1Otology/Neurotology/Skull Base Surgery, Tampa Bay Hearing and Balance Center, Tampa Bay, FL, USA. cdanner@tampabayhearing.com

Otolaryngologic Clinics of North America
|November 14, 2006
PubMed
Summary

Managing atelectatic ears involves restoring middle ear ventilation. Medical treatments like nasal steroids are often sufficient, but surgery may be needed for severe cases or persistent infections.

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Area of Science:

  • Otolaryngology
  • Middle Ear Pathophysiology

Background:

  • Atelectatic ears, characterized by negative middle ear pressure, can lead to complications.
  • Management strategies aim to restore normal middle ear function.

Purpose of the Study:

  • To explore the pathogenesis of middle ear atelectasis.
  • To present a classification system for guiding clinical management decisions.

Main Methods:

  • Review of the pathophysiology of atelectatic ears.
  • Discussion of medical and surgical treatment options.
  • Introduction of a classification system for atelectatic ear management.

Main Results:

  • Normal middle ear ventilation and aeration are crucial for successful management.
  • Medical management (nasal steroids, decongestants) is often effective.
  • Surgical intervention is indicated for severe cases or treatment failures.

Conclusions:

  • A systematic approach to managing atelectatic ears is essential.
  • Classification aids in selecting appropriate medical or surgical interventions.
  • Restoring middle ear function is the primary goal.