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Related Concept Videos

Nose and Nasal Cavity01:24

Nose and Nasal Cavity

The nose is composed of an observable exterior segment (external nose) and an internal segment within the skull known as the nasal cavity (internal nose). The external nose, visible on the face, consists of a framework of bone and hyaline cartilage enveloped in skin and muscle and lined with a mucous membrane. This structure is supported by the frontal bone, nasal bones, and maxillary bone and is supplemented by a cartilaginous framework comprising the septal nasal cartilage, lateral nasal...
Suctioning the Nasopharyngeal Airway01:29

Suctioning the Nasopharyngeal Airway

Nasopharyngeal suctioning is a procedure to remove secretions from the upper part of the respiratory tract that the patient cannot clear independently. It helps maintain airway patency and prevents complications such as aspiration pneumonia.
Equipment Required
Anatomy of Respiratory System I: Upper Respiratory Tract01:29

Anatomy of Respiratory System I: Upper Respiratory Tract

The upper respiratory tract plays a vital role in the respiratory system, comprising several structures that facilitate air intake and prepare air for the lungs. It also serves as the first line of defense against pathogens and particles. This tract includes the nose and nasal cavity, the oral cavity, the paranasal sinuses, and the pharynx, each with specific functions and features.
Nose and nasal cavity
The nose and nasal cavity represent the main external openings of the respiratory tract.
Cranial Bones: Lateral View01:27

Cranial Bones: Lateral View

The lateral view of the cranium is dominated by temporal, sphenoid, and ethmoid bones.
The temporal bone forms the lower lateral side of the skull. The temporal bone is subdivided into several regions. The flattened upper portion is the squamous portion of the temporal bone. Below this area and projecting anteriorly is the zygomatic process of the temporal bone, which forms the posterior portion of the zygomatic arch. Posteriorly is the mastoid portion of the temporal bone. Projecting...
Epistaxis01:30

Epistaxis

Epistaxis, or nosebleeds, occurs when small, swollen blood vessels in the nasal mucous membrane rupture. Typically, the anterior septum is the primary site of occurrence.
Etiology
Possible causes of this condition include high blood pressure, trauma, low humidity, upper respiratory tract infections, allergies, foreign bodies, nasal inhalation of corticosteroids or illicit drugs, excessive use of decongestant nasal sprays, facial or nasal surgery, anatomic malformation, tumors, or systemic...
Administering Oxygen by Nasal Cannula01:29

Administering Oxygen by Nasal Cannula

Oxygen therapy is critical to patient care, especially for those struggling with respiratory issues. This intervention increases the oxygen concentration in the lungs, enhancing the amount of oxygen transported to the body's tissues. One standard method of delivering supplemental oxygen is through a nasal cannula, a non-invasive device that provides low to medium oxygen concentrations.
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A nasal cannula is a lightweight tube split into two prongs placed in the nostrils, connected...

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Related Experiment Video

Updated: May 11, 2026

Endoscopic Septoplasty with Limited Two-line Resection: Minimally Invasive Surgery for Septal Deviation
06:13

Endoscopic Septoplasty with Limited Two-line Resection: Minimally Invasive Surgery for Septal Deviation

Published on: June 20, 2018

Chapter 2: Nasal obstruction.

Jodi L Osborn1, Raymond Sacks

  • 1Sydney Adventist Hospital, Hornsby, Australia.

American Journal of Rhinology & Allergy
|May 29, 2013
PubMed
Summary
This summary is machine-generated.

Nasal obstruction, a common issue often linked to allergic rhinitis (AR), impacts quality of life and productivity. This review covers medical and surgical treatments for nasal obstruction.

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Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction
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Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction

Published on: October 13, 2017

Area of Science:

  • Otorhinolaryngology
  • Allergology
  • Pulmonology

Background:

  • Nasal obstruction is a prevalent symptom necessitating medical evaluation.
  • It stems from anatomical, physiological, or neurological factors, frequently multifactorial.
  • Persistent allergic rhinitis (AR) is a primary cause, affecting up to 40% of individuals.

Purpose of the Study:

  • To review the causes and management of nasal obstruction.
  • To highlight the impact of AR on quality of life and societal costs.
  • To discuss various treatment options for nasal obstruction.

Main Methods:

  • Literature review of medical therapies for nasal obstruction.
  • Analysis of surgical techniques for treating nasal obstruction.
  • Examination of the impact of allergic rhinitis on patient well-being.

Main Results:

  • Nasal obstruction significantly affects daily life, sleep quality, and work efficiency.
  • Allergic rhinitis requires year-round management, emphasizing treatment choice and compliance.
  • The economic burden of nasal obstruction on individuals and society is substantial.

Conclusions:

  • Effective management of nasal obstruction is crucial.
  • Comprehensive treatment strategies considering multifactorial causes are needed.
  • Further research into optimizing treatments for allergic rhinitis and nasal obstruction is warranted.