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Related Concept Videos

Epistaxis01:30

Epistaxis

330
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...
330
Endoscopic Studies II: Thoracocentesis01:26

Endoscopic Studies II: Thoracocentesis

775
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...
775
Suctioning the Nasopharyngeal Airway01:29

Suctioning the Nasopharyngeal Airway

1.6K
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
1.6K
Tracheostomy Decannulation01:21

Tracheostomy Decannulation

546
Tracheostomy decannulation is a significant milestone in the liberation of mechanically ventilated patients. Despite its importance, there is no universally accepted protocol for this procedure. This demands an evidence-based, individualized approach.
Description of the Procedure
Decannulation refers to the permanent removal of the tracheostomy tube, signaling the resolution of the condition that initially necessitated the tracheostomy. The process requires a well-coordinated interplay between...
546
Tonsillitis II: Management01:26

Tonsillitis II: Management

239
This lesson will focus on the different treatment options for managing tonsillitis, which typically depend on the cause and severity.
239

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Related Experiment Video

Updated: Nov 6, 2025

Nasal Brushing Sampling and Processing Using Digital High Speed Ciliary Videomicroscopy – Adaptation for the COVID-19 Pandemic
09:03

Nasal Brushing Sampling and Processing Using Digital High Speed Ciliary Videomicroscopy – Adaptation for the COVID-19 Pandemic

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Epistaxis after testing for COVID-19.

Dagfinn Lunde Markussen, Jon Erik Hagen, Anette Tvedt

    Tidsskrift for Den Norske Laegeforening : Tidsskrift for Praktisk Medicin, Ny Raekke
    |May 5, 2021
    PubMed
    Summary
    This summary is machine-generated.

    COVID-19 testing via nasopharyngeal swabs can cause severe nosebleeds, requiring hospitalization and transfusions. Healthcare providers should carefully weigh the risks versus benefits of such testing, especially for low-risk patients.

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    Large-Scale SARS-CoV-2 Testing Utilizing Saliva and Transposition Sample Pooling
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    Area of Science:

    • Medical Microbiology
    • Infectious Diseases
    • Public Health

    Background:

    • Increased testing for airway microbes, including severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is a hallmark of the coronavirus disease 2019 (COVID-19) pandemic.
    • The World Health Organization recommends COVID-19 screening for all hospital admissions.

    Observation:

    • A septuagenarian male patient undergoing coronary angiography presented with significant epistaxis following a nasopharyngeal swab for COVID-19.
    • Hemorrhage required bilateral anterior and posterior balloon tamponade for control, leading to postponement of the angiography.

    Findings:

    • The patient necessitated a transfusion of packed red blood cells and an extended nine-day hospital stay due to the complication.
    • The risk of COVID-19 complications for this patient was assessed as low, while the risk of procedural complications was high.

    Implications:

    • This case highlights the potential for serious complications from nasopharyngeal swabbing, even in low-risk individuals.
    • It underscores the critical need to balance recommended screening protocols against individual patient risk factors and procedural risks.
    • Careful consideration of the benefit-risk ratio is essential when implementing widespread diagnostic testing during public health emergencies.