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Related Concept Videos

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen01:16

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen

Oxygen therapy is a pivotal aspect of medical care, particularly for patients with respiratory ailments. Two prominent oxygen-delivering systems include the Venturi mask and the transtracheal oxygen catheter.
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...
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...
Cardiopulmonary Resuscitation II: ACLS Airway Management01:22

Cardiopulmonary Resuscitation II: ACLS Airway Management

Airway management is a key skill in emergency and critical care settings, as maintaining a clear airway is essential for adequate oxygenation and ventilation.Head Tilt-Chin Lift TechniqueThe head tilt-chin lift maneuver is an essential technique primarily used in patients without suspected cervical spine injuries. To perform this maneuver, one hand is placed on the patient’s forehead, and gentle pressure is applied backward to tilt the head. The fingertips of the other hand are positioned under...
Pneumonia III: Complications and Assessment01:30

Pneumonia III: Complications and Assessment

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Pleural Effusion II: Symptoms and Management01:28

Pleural Effusion II: Symptoms and Management

Pleural Effusion Overview
A pleural effusion is the abnormal collection of fluid between the parietal and visceral pleura layers of tissue that form the lining of the lungs and chest cavity. It can occur independently or due to surrounding parenchymal diseases, such as infection, malignancy, or inflammatory conditions.
Clinical Manifestations:
Pleural Effusion I: Introduction01:25

Pleural Effusion I: Introduction

Pleural effusion is an abnormal fluid accumulation in the pleural cavity, a narrow space between the lungs and the chest wall. It is not a disease per se but rather a symptom or indication of an underlying disease. In normal circumstances, this space contains a small amount of fluid (5 to 15 mL), a lubricant facilitating the non-frictional movement of the pleural surfaces.
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Related Experiment Video

Updated: May 24, 2026

Guidelines for Elective Pediatric Fiberoptic Intubation
11:19

Guidelines for Elective Pediatric Fiberoptic Intubation

Published on: January 17, 2011

[Pediatric OSAS and otitis media with effusion].

T Braun1, A Dreher, F Dirr

  • 1Klinik und Poliklinik für Hals-Nasen-Ohrenheilkunde, Interdisziplinäres Schlaflabor, Ludwig-Maximilians-Universität, Marchioninistr. 15, 81377, München, Deutschland. thomas.braun@med.uni-muenchen.de

HNO
|March 10, 2012
PubMed
Summary

This study found no direct link between pediatric obstructive sleep apnea syndrome (OSAS) and otitis media with effusion (OME) in children. Further research may explore other contributing factors for these common ENT conditions.

Related Experiment Videos

Last Updated: May 24, 2026

Guidelines for Elective Pediatric Fiberoptic Intubation
11:19

Guidelines for Elective Pediatric Fiberoptic Intubation

Published on: January 17, 2011

Area of Science:

  • Otolaryngology
  • Pediatric Sleep Medicine
  • Audiology

Context:

  • Adenotonsillar hyperplasia is a potential cause of pediatric obstructive sleep apnea syndrome (OSAS) and otitis media with effusion (OME).
  • The relationship between pediatric OSAS and OME requires further investigation.

Purpose:

  • To analyze the potential correlation between pediatric obstructive sleep apnea syndrome (OSAS) and otitis media with effusion (OME).

Summary:

  • Polysomnographic data from 186 children with suspected OSAS were analyzed alongside middle ear ventilation assessments via tympanometry.
  • No statistically significant difference in the prevalence of normally ventilated ears and OME was found across different apnea-hypopnea index severity groups.
  • Children with normally ventilated ears showed no significant difference in OSAS-related metrics compared to those with OME.

Impact:

  • This study indicates no direct association between pediatric OSAS and OME.
  • Findings may guide future research into the multifactorial etiologies of these pediatric ENT disorders.